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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 5 |
| 7 | 5 |
| 8 | 12 |
| 9 | 17 |
| 10 | 31 |
| 11 | 31 |
| 12 | 96 |
| 13 | 96 |
| 14 | 197 |
| 15 | 324 |
| 16 | 629 |
| 17 | 629 |
| 18 | 1695 |
| 19 | 1695 |
| 20 | 4374 |
| 21 | 6266 |
| 22 | 10671 |
| 23 | 10671 |
| 24 | 34402 |
| 25 | 38776 |
| 26 | 73274 |
| 27 | 109371 |
| 28 | 223510 |
| 29 | 223510 |
| 30 | 634267 |
| 31 | 634267 |
| 32 | 1527075 |
| 33 | 2172013 |
| 34 | 3699717 |
| 35 | 4557494 |
| 36 | 12736034 |
| 37 | 12736034 |
| 38 | 25473763 |
| 39 | 38283071 |