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 | 220 |
| 2 | 284 |
| 3 | 1184 |
| 4 | 1210 |
| 5 | 6232 |
| 6 | 6368 |
| 7 | 10744 |
| 8 | 10856 |
| 9 | 66928 |
| 10 | 66992 |
| 11 | 16137628 |
| 12 | 16150628 |
| 13 | 28118032 |
| 14 | 28128368 |
| 15 | 766292835 |
| 16 | 766512285 |
| 17 | 1930301618 |
| 18 | 1930741582 |
| 19 | 4000783984 |
| 20 | 4001351168 |
| 21 | 44303273584 |
| 22 | 44307987968 |
| 23 | 85617896265 |
| 24 | 85625175735 |
| 25 | 161899964416 |
| 26 | 161905117184 |