This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 6 |
| 3 | 26 |
| 4 | 32 |
| 5 | 136 |
| 6 | 168 |
| 7 | 712 |
| 8 | 880 |
| 9 | 3728 |
| 10 | 4608 |
| 11 | 19520 |
| 12 | 24128 |
| 13 | 102208 |
| 14 | 126336 |
| 15 | 535168 |
| 16 | 661504 |
| 17 | 2802176 |
| 18 | 3463680 |
| 19 | 14672384 |
| 20 | 18136064 |
| 21 | 76825600 |
| 22 | 94961664 |
| 23 | 402264064 |
| 24 | 497225728 |
| 25 | 2106281984 |
| 26 | 2603507712 |