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 | 158 |
| 5 | 558 |
| 6 | 135 |
| 7 | 2339 |
| 8 | 18378 |
| 9 | 13689 |
| 10 | 1575 |
| 11 | 1354 |
| 12 | 18908 |
| 13 | 28764 |
| 14 | 9660 |
| 15 | 675 |
| 16 | 617926 |
| 17 | 13447818 |
| 18 | 34604118 |
| 19 | 23001156 |
| 20 | 4534875 |
| 21 | 218295 |
| 22 | 525206428 |
| 23 | 16383145284 |
| 24 | 63886133214 |
| 25 | 70424606988 |
| 26 | 26926791930 |
| 27 | 3567422250 |
| 28 | 127702575 |
| 29 | 50531787 |
| 30 | 2134308548 |
| 31 | 11735772822 |
| 32 | 19350632598 |
| 33 | 12106771137 |
| 34 | 3063221550 |
| 35 | 295973325 |
| 36 | 8292375 |