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) |
|---|---|
| 2 | 1 |
| 3 | 26 |
| 4 | 343 |
| 5 | 9374 |
| 6 | 3203 |
| 7 | 411942 |
| 8 | 1203135 |
| 9 | 12555566 |
| 10 | 23577999 |
| 11 | 475857425 |
| 12 | 78497711 |
| 13 | 1840723325 |
| 14 | 44509735045 |
| 15 | 11166989789 |
| 16 | 9181683711 |
| 17 | 1240214273284785 |
| 18 | 93417582527 |
| 19 | 538955006315 |
| 20 | 81324126339 |
| 21 | 123196100516 |
| 22 | 3851792910943 |
| 23 | 5652942368056 |
| 24 | 4967531840023463 |