| k | N | Source |
| 17 | 16777216 | orthogonal array |
| 18 | 24137568 | fuse symbols |
| 19 | 39866208 | extend by one factor |
| 20 | 47045878 | fuse symbols |
| 23 | 67108861 | perfect hash family |
| 34 | 82837504 | Martirosyan-Tran van Trung |
| 36 | 109986064 | Martirosyan-Tran van Trung |
| 37 | 160505104 | extend by one factor |
| 39 | 167772151 | perfect hash family |
| 41 | 184549366 | perfect hash family |
| 42 | 218103796 | perfect hash family |
| 43 | 234881011 | perfect hash family |
| 85 | 251658226 | perfect hash family |
| 289 | 268435441 | Power 17^2 |
| 290 | 351210241 | extend by one factor |
| 291 | 447897601 | extend by one factor |
| 292 | 486539236 | perfect hash family |
| 513 | 536870881 | perfect hash family |
| 514 | 669700321 | extend by one factor |
| 516 | 754974676 | perfect hash family |
| 517 | 888725716 | extend by one factor |
| 544 | 896801659 | Martirosyan-Tran van Trung |
| 576 | 933061247 | Martirosyan-Tran van Trung |
| 578 | 1031239675 | Martirosyan-Tran van Trung |
| 580 | 1179842891 | Martirosyan-Tran van Trung |
| 964 | 1242562546 | linear hash family |
| 1026 | 1325400049 | Power 34^2 |
| 1027 | 1502531089 | extend by one factor |
| 1028 | 1679662129 | extend by one factor |
| 1029 | 1856793169 | extend by one factor |
| 1056 | 1879048081 | perfect hash family |
| 1057 | 2056179121 | extend by one factor |
| 1059 | 2097151876 | perfect hash family |
| 1425 | 2147483521 | perfect hash family |
| 1426 | 2324614561 | extend by one factor |
| 1428 | 2365587316 | perfect hash family |
| 1728 | 2415918961 | perfect hash family |
| 10000 | 2567962594 | Power 31^3 |