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 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 7 |
| 8 | 55 |
| 9 | 111 |
| 10 | 141 |
| 11 | 191 |
| 12 | 343 |
| 13 | 434 |
| 14 | 777 |
| 15 | 868 |
| 16 | 1441 |
| 17 | 7667 |
| 18 | 7777 |
| 19 | 22022 |
| 20 | 39893 |
| 21 | 74647 |
| 22 | 168861 |
| 23 | 808808 |
| 24 | 909909 |
| 25 | 1867681 |
| 26 | 3097903 |
| 27 | 4232324 |
| 28 | 4265624 |
| 29 | 4298924 |
| 30 | 4516154 |
| 31 | 4565654 |
| 32 | 4598954 |
| 33 | 4849484 |
| 34 | 5100015 |
| 35 | 5182815 |
| 36 | 5400045 |