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 | 5 |
| 4 | 12 |
| 5 | 13 |
| 6 | 50 |
| 7 | 61 |
| 8 | 68 |
| 9 | 198 |
| 10 | 1090 |
| 11 | 1812 |
| 12 | 2362 |
| 13 | 32334 |
| 14 | 1517757 |
| 15 | 4150055 |
| 16 | 8850618 |
| 17 | 10459960 |
| 18 | 34693154 |
| 19 | 80385407 |
| 20 | 277184250 |
| 21 | 316848842 |
| 22 | 426258508 |
| 23 | 2150821469 |
| 24 | 2901738400 |
| 25 | 49091889811 |
| 26 | 331178405563 |