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 | 7 |
| 1 | 8 |
| 2 | 39 |
| 3 | 125 |
| 4 | 164 |
| 5 | 453 |
| 6 | 1070 |
| 7 | 1523 |
| 8 | 5639 |
| 9 | 24079 |
| 10 | 29718 |
| 11 | 440131 |
| 12 | 469849 |
| 13 | 2319527 |
| 14 | 7428430 |
| 15 | 9747957 |
| 16 | 26924344 |
| 17 | 63596645 |
| 18 | 90520989 |
| 19 | 335159612 |
| 20 | 1431159437 |
| 21 | 1766319049 |
| 22 | 26159626123 |
| 23 | 27925945172 |
| 24 | 137863406811 |
| 25 | 441516165605 |
| 26 | 579379572416 |
| 27 | 1600275310437 |