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) |
|---|---|
| 5 | 5 |
| 6 | 96 |
| 7 | 1148 |
| 8 | 11122 |
| 9 | 96454 |
| 10 | 787959 |
| 11 | 6250696 |
| 12 | 49115820 |
| 13 | 387561065 |
| 14 | 3100950735 |
| 15 | 25330467332 |
| 16 | 212222629466 |
| 17 | 1828990798243 |
| 18 | 16241051507536 |
| 19 | 148696716804278 |
| 20 | 1403754413149792 |
| 21 | 13658941220426754 |
| 22 | 136899626339091133 |
| 23 | 1412247058871264298 |
| 24 | 14982353645545370808 |