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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 6 |
| 3 | 43 |
| 4 | 51 |
| 5 | 389 |
| 6 | 416 |
| 7 | 477 |
| 8 | 504 |
| 9 | 551 |
| 10 | 4102 |
| 11 | 4191 |
| 12 | 4397 |
| 13 | 4485 |
| 14 | 4649 |
| 15 | 5100 |
| 16 | 5187 |
| 17 | 5393 |
| 18 | 5481 |
| 19 | 5645 |
| 20 | 5964 |
| 21 | 6051 |
| 22 | 6215 |
| 23 | 6489 |
| 24 | 47404 |
| 25 | 47700 |
| 26 | 48403 |
| 27 | 48697 |
| 28 | 49268 |
| 29 | 50833 |
| 30 | 51126 |
| 31 | 51828 |
| 32 | 52120 |
| 33 | 52691 |
| 34 | 53829 |
| 35 | 54120 |
| 36 | 54690 |
| 37 | 55690 |
| 38 | 59334 |
| 39 | 59627 |
| 40 | 60328 |