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 | 34 |
| 2 | 258 |
| 3 | 2147 |
| 4 | 11582 |
| 5 | 62192 |
| 6 | 274810 |
| 7 | 1500309 |
| 8 | 2235294 |
| 9 | 10919138 |
| 10 | 24000612 |
| 11 | 3074210315 |
| 12 | 6244442805 |
| 13 | 6244442805 |
| 14 | 143338476264 |
| 15 | 244844614858 |