**k** | **N** | **Source** |

18 | 289 | orthogonal array |

19 | 351 | projection (C) postop NCK |

20 | 352 | projection (C) postop NCK |

21 | 354 | projection (C) postop NCK |

22 | 357 | projection (C) postop TJ-SA |

23 | 442 | Add a symbol (binary) |

24 | 467 | projection (C) postop NCK |

25 | 469 | projection (C) postop NCK |

26 | 471 | projection (C) postop NCK |

27 | 473 | projection (C) postop NCK |

28 | 474 | projection (C) postop NCK |

29 | 477 | projection (C) postop NCK |

30 | 479 | projection (C) postop NCK |

31 | 497 | Fix 1 symbols (Colbourn) |

32 | 513 | Fix 1 symbols (Colbourn) |

39 | 517 | Fix 5 symbols (LCDST) |

40 | 529 | Fix 5 symbols (LCDST) |

41 | 541 | Fix 5 symbols (LCDST) |

45 | 551 | simulated annealing (Torres-Jimenez) |

51 | 560 | simulated annealing (Torres-Jimenez) |

323 | 561 | PCAx2PCA |

324 | 576 | Direct product |

340 | 594 | Direct product |

341 | 609 | Direct product generalized |

360 | 610 | Direct product |

378 | 626 | Direct product |

380 | 627 | Direct product generalized |

381 | 628 | Direct product generalized |

396 | 629 | Direct product |

402 | 645 | Direct product generalized |

404 | 646 | Direct product generalized |

406 | 657 | Direct product generalized |

409 | 658 | Direct product generalized |

420 | 659 | Direct product |

421 | 661 | Direct product generalized |

440 | 662 | Direct product |

444 | 677 | Direct product generalized |

448 | 679 | Direct product generalized |

462 | 680 | Direct product generalized |

469 | 692 | Direct product generalized |

484 | 695 | Direct product generalized |

485 | 724 | Direct product generalized |

486 | 725 | Direct product generalized |

505 | 728 | Direct product generalized |

528 | 731 | Direct product generalized |

530 | 745 | Direct product generalized |

533 | 746 | Direct product generalized |

540 | 747 | Direct product generalized |

550 | 748 | Direct product generalized |

554 | 759 | Direct product generalized |

560 | 760 | Direct product generalized |

564 | 761 | Direct product generalized |

569 | 762 | Direct product generalized |

571 | 763 | Direct product generalized |

572 | 764 | Direct product generalized |

577 | 772 | Direct product generalized |

583 | 773 | Direct product generalized |

587 | 774 | Direct product generalized |

590 | 775 | Direct product generalized |

593 | 776 | Direct product generalized |

594 | 777 | Direct product generalized |

600 | 784 | Direct product |

605 | 786 | Direct product generalized |

609 | 788 | Direct product generalized |

692 | 789 | PCAx2PCA |

710 | 801 | PCAx2PCA |

728 | 813 | PCAx2PCA |

767 | 823 | PCAx2PCA |

780 | 831 | PCAx2PCA |

869 | 832 | PCAx2PCA |

5797 | 833 | PCAx2PCA |

5814 | 848 | Direct product |

5832 | 863 | Direct product |

6120 | 866 | Direct product |

6137 | 881 | Direct product generalized |

6464 | 882 | PCAx2PCA |

6477 | 884 | Direct product generalized |

6480 | 897 | Direct product |

6783 | 898 | Direct product |

6840 | 899 | PCAx2PCA |

6885 | 900 | Direct product generalized |

7106 | 901 | Direct product |

7175 | 915 | Direct product generalized |

7217 | 916 | Direct product generalized |

7311 | 917 | Direct product generalized |

7328 | 919 | Direct product generalized |

7330 | 920 | Direct product generalized |

7560 | 931 | PCAx2PCA |

7600 | 932 | Direct product |

7644 | 933 | Direct product generalized |

7900 | 934 | PCAx2PCA |

7920 | 935 | PCAxPCA |

7938 | 949 | PCAx2PCA |

8051 | 950 | Direct product generalized |

8082 | 951 | Direct product generalized |

8316 | 952 | PCAx2PCA |

8442 | 964 | PCAx2PCA |

8521 | 965 | Direct product generalized |

8553 | 966 | Direct product generalized |

8712 | 967 | PCAx2PCA |

8800 | 968 | Direct product |

8904 | 981 | Direct product generalized |

8920 | 982 | Direct product generalized |

8998 | 983 | Direct product generalized |

9029 | 984 | Direct product generalized |

9240 | 985 | Direct product |

9306 | 986 | Direct product generalized |

9428 | 997 | Direct product generalized |

9456 | 998 | Direct product generalized |

9515 | 999 | Direct product generalized |

9680 | 1000 | Direct product |

9858 | 1001 | Direct product generalized |

9864 | 1002 | Direct product generalized |

9900 | 1003 | Direct product generalized |

9906 | 1014 | Direct product generalized |

9928 | 1015 | Direct product generalized |

9943 | 1016 | Direct product generalized |

10093 | 1017 | Direct product generalized |

10318 | 1018 | Direct product generalized |

10358 | 1020 | Direct product generalized |

10406 | 1021 | Direct product generalized |

10423 | 1030 | Direct product generalized |

10511 | 1032 | Direct product generalized |

10648 | 1033 | Direct product generalized |

10728 | 1034 | Direct product generalized |

10796 | 1035 | Direct product generalized |

10808 | 1036 | Direct product generalized |

10840 | 1037 | Direct product generalized |

10888 | 1038 | Direct product generalized |

10912 | 1039 | Direct product generalized |

11000 | 1053 | Direct product |

11088 | 1054 | Direct product generalized |

11154 | 1055 | Direct product generalized |

12427 | 1061 | PCAx2PCA |

12750 | 1073 | PCAx2PCA |

13073 | 1085 | PCAx2PCA |

13260 | 1094 | Direct product |

13804 | 1095 | PCAx2PCA |

14008 | 1103 | PCAx2PCA |

15640 | 1104 | PCAx2PCA |

20000 | 1105 | Direct product |