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 | 38 |
| 4 | 152 |
| 5 | 542 |
| 6 | 746 |
| 7 | 1632 |
| 8 | 2243 |
| 9 | 5317 |
| 10 | 7520 |
| 11 | 15006 |
| 12 | 33156 |
| 13 | 39925 |
| 14 | 101946 |
| 15 | 130340 |
| 16 | 136572 |
| 17 | 331757 |
| 18 | 397252 |
| 19 | 560017 |
| 20 | 722898 |
| 21 | 1037524 |
| 22 | 1197551 |
| 23 | 1737710 |
| 24 | 1754109 |
| 25 | 2160356 |
| 26 | 2217439 |
| 27 | 2559702 |
| 28 | 2820804 |
| 29 | 5173565 |
| 30 | 6197364 |
| 31 | 7014969 |
| 32 | 7597461 |