| k | N | Source |
| 7 | 34012224 | composition |
| 8 | 38131351 | Add a symbol |
| 9 | 40374371 | Add a symbol |
| 10 | 42749334 | Add a symbol |
| 11 | 45264000 | Add a symbol |
| 20 | 47045879 | orthogonal array fuse |
| 21 | 86923493 | Add a factor |
| 22 | 126801107 | Add a factor |
| 24 | 148035879 | orthogonal array fuse fuse fuse fuse fuse |
| 25 | 188183465 | perfect hash family4,25,19,c fuse |
| 27 | 188183512 | perfect hash family4,27,20 |
| 40 | 229452668 | Martirosyan-Tran van Trung |
| 41 | 323237690 | Add a factor |
| 42 | 423412775 | perfect hash family9,42,19,c fuse |
| 45 | 423412902 | perfect hash family9,45,20 |
| 47 | 470458637 | perfect hash family10,47,19,c fuse |
| 51 | 470458780 | perfect hash family10,51,20 |
| 53 | 517504499 | perfect hash family11,53,19,c fuse |
| 60 | 517504658 | perfect hash family11,60,20 |
| 64 | 564550536 | perfect hash family12,64,20 |
| 65 | 658642292 | perfect hash family14,65,20 |
| 95 | 705687947 | perfect hash family15,95,19,c fuse |
| 96 | 705688170 | perfect hash family15,96,20 |
| 133 | 739700393 | Power 19^2T12 |
| 152 | 743819520 | Power 19^2T11 |
| 171 | 746062540 | Power 19^2T10 |
| 190 | 748437503 | Power 19^2T9 |
| 209 | 750952169 | Power 19^2T8 |
| 361 | 752733809 | perfect hash family16,361,19,c fuse |
| 362 | 752734048 | Power 19^2+1 |
| 363 | 945827698 | Add a factor |
| 364 | 1146874900 | Add a factor |
| 366 | 1317284153 | perfect hash family28,366,19,c fuse |
| 368 | 1317284584 | perfect hash family28,368,20 |
| 515 | 1505467601 | perfect hash family32,515,19,c fuse |
| 516 | 1505468096 | perfect hash family32,516,20 |
| 517 | 1824051122 | Add a factor |
| 519 | 2070018632 | perfect hash family44,519,20 |
| 520 | 2117063807 | perfect hash family45,520,19,c fuse |
| 522 | 2117064510 | perfect hash family45,522,20 |
| 529 | 2368573869 | perfect hash family16,529,23,c fuse fuse fuse fuse fuse |
| 530 | 2368574048 | Power 23^2+1 |
| 722 | 2448682933 | Martirosyan-Tran van Trung |
| 724 | 2484968004 | Martirosyan-Tran van Trung |
| 726 | 2781331758 | Martirosyan-Tran van Trung |
| 729 | 3010936176 | Power 27^2 |
| 748 | 3171068135 | Power N41^2T16S13 |
| 808 | 3171068182 | Power N41^2T14S13 |
| 1194 | 3212337338 | Power N41^2S14 |
| 1223 | 3306122360 | Power N41^2S13 |
| 1253 | 3399907382 | Power N41^2S12 |
| 1372 | 3441790005 | Power N37^2+3 |
| 1381 | 3775047470 | Power N41^2S8 |
| 1415 | 3868832492 | Power N41^2S7 |
| 1450 | 3962617514 | Power N41^2S6 |
| 1486 | 4056402536 | Power N41^2S5 |
| 1523 | 4150187558 | Power N41^2S4 |
| 1561 | 4243972580 | Power N41^2S3 |
| 1600 | 4337757602 | Power N41^2T1T1 |
| 1640 | 4431542624 | Power N41^2T1 |
| 1681 | 4525327646 | Power N41^2 |
| 1682 | 4979010284 | Add a factor |
| 1683 | 5432692922 | Add a factor |
| 1720 | 5733820380 | Power N43^2T3 |
| 1722 | 5827605275 | Power N43^2T2T1 |
| 1763 | 5827605402 | Power N43^2T2 |
| 1764 | 5927780360 | Power N43^2T1T1 |
| 1806 | 5927780487 | Power N43^2T1 |
| 1851 | 5927780614 | Power N43^2+2 |
| 1880 | 6345414935 | Power N47^2T7 |
| 1927 | 6439199957 | Power N47^2T6 |
| 2025 | 6492329434 | Power N47^2T2T2 |
| 2115 | 6539375169 | Power N47^2T2 |
| 2209 | 6586420904 | Power N47^2 |
| 2212 | 6586422906 | Power N47^2+3 |
| 2240 | 6730888899 | Power 32^3T25T22 |
| 2304 | 6732633063 | Power 32^3T24T23 |
| 2464 | 6733403565 | Power 32^3T25T21 |
| 2592 | 6734876083 | Power 32^3T23T23 |
| 4480 | 6735185444 | Power 32^3T25T12 |
| 5120 | 6739304571 | Power 32^3T24T12 |
| 5760 | 6741547591 | Power 32^3T23T12 |
| 6400 | 6743922554 | Power 32^3T22T12 |
| 7040 | 6746437220 | Power 32^3T21T12 |
| 10000 | 6748219099 | Power 31^3T11T11 |
| | Graph:
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