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 | 22 |
| 3 | 129 |
| 4 | 468 |
| 5 | 1309 |
| 6 | 3101 |
| 7 | 6539 |
| 8 | 12644 |
| 9 | 22857 |
| 10 | 39148 |
| 11 | 64141 |
| 12 | 101256 |
| 13 | 154869 |
| 14 | 230491 |
| 15 | 334967 |
| 16 | 476696 |
| 17 | 665873 |
| 18 | 914754 |
| 19 | 1237945 |
| 20 | 1652716 |
| 21 | 2179341 |
| 22 | 2841465 |
| 23 | 3666499 |
| 24 | 4686044 |
| 25 | 5936345 |
| 26 | 7458776 |
| 27 | 9300357 |
| 28 | 11514304 |
| 29 | 14160613 |
| 30 | 17306679 |
| 31 | 21027951 |
| 32 | 25408624 |
| 33 | 30542369 |