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 | 82 |
| 3 | 1378 |
| 4 | 11378 |
| 5 | 62003 |
| 6 | 256484 |
| 7 | 871140 |
| 8 | 2550756 |
| 9 | 6651381 |
| 10 | 15802006 |
| 11 | 34776742 |
| 12 | 71791798 |
| 13 | 140366759 |
| 14 | 261917384 |
| 15 | 469277384 |
| 16 | 811379400 |
| 17 | 1359360681 |
| 18 | 2214396762 |
| 19 | 3517606762 |
| 20 | 5462416762 |
| 21 | 8309813083 |
| 22 | 12406965164 |
| 23 | 18209748140 |
| 24 | 26309748140 |
| 25 | 37466388765 |
| 26 | 52644875166 |