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 | 0 |
| 2 | 42 |
| 3 | 261 |
| 4 | 490 |
| 5 | 494 |
| 6 | 5447 |
| 7 | 10023 |
| 8 | 18519 |
| 9 | 33543 |
| 10 | 34292 |
| 11 | 62263 |
| 12 | 62267 |
| 13 | 113405 |
| 14 | 113406 |
| 15 | 199251 |
| 16 | 199252 |
| 17 | 199504 |
| 18 | 2060609 |
| 19 | 2060610 |
| 20 | 2060612 |
| 21 | 2060614 |
| 22 | 2060616 |
| 23 | 2060617 |
| 24 | 2060618 |
| 25 | 2060701 |
| 26 | 11526662 |
| 27 | 11526664 |
| 28 | 11526665 |
| 29 | 11526667 |
| 30 | 11526670 |
| 31 | 11526840 |
| 32 | 11526842 |
| 33 | 11526845 |
| 34 | 11526855 |
| 35 | 20389507 |