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) |
|---|---|
| 7 | 7 |
| 8 | 232 |
| 9 | 4518 |
| 10 | 67898 |
| 11 | 875365 |
| 12 | 10228471 |
| 13 | 111964040 |
| 14 | 1173487986 |
| 15 | 11959590504 |
| 16 | 119889568676 |
| 17 | 1192711559418 |
| 18 | 11859084564254 |
| 19 | 118526150123309 |
| 20 | 1196311505171568 |
| 21 | 12239696866561282 |
| 22 | 127315711586330538 |
| 23 | 1349476206629576995 |
| 24 | 14599608027440148129 |
| 25 | 161399084259928978190 |