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 | 10 |
| 4 | 90 |
| 5 | 106 |
| 6 | 150 |
| 7 | 162 |
| 8 | 246 |
| 9 | 394 |
| 10 | 398 |
| 11 | 406 |
| 12 | 410 |
| 13 | 442 |
| 14 | 602 |
| 15 | 1106 |
| 16 | 1246 |
| 17 | 1390 |
| 18 | 1482 |
| 19 | 1666 |
| 20 | 1846 |
| 21 | 5524 |
| 22 | 6068 |
| 23 | 6124 |
| 24 | 6976 |
| 25 | 35562 |
| 26 | 42618 |
| 27 | 42726 |
| 28 | 45618 |
| 29 | 1271596 |
| 30 | 2634332 |
| 31 | 2766702 |