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) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 14 |
| 4 | 159 |
| 5 | 7629 |
| 6 | 599456 |
| 7 | 226066304 |
| 8 | 139178815861 |
| 9 | 410179495378288 |
| 10 | 2055126126323159298 |
| 11 | 48234291396964332998082 |
| 12 | 2016523952125103590736221923 |
| 13 | 382812826011951187177138562992638 |
| 14 | 135681830960694827549160289095792266106 |