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 | 24 |
| 2 | 394 |
| 3 | 5544 |
| 4 | 71995 |
| 5 | 891408 |
| 6 | 10701748 |
| 7 | 125788848 |
| 8 | 1456313749 |
| 9 | 16673208552 |
| 10 | 189289198462 |
| 11 | 2135136588312 |
| 12 | 23963101915663 |
| 13 | 267883518461856 |
| 14 | 2985323286760936 |
| 15 | 33185997429018336 |
| 16 | 368172943255604137 |