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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 2 |
| 11 | 12 |
| 12 | 67 |
| 13 | 287 |
| 14 | 1002 |
| 15 | 3004 |
| 16 | 8009 |
| 17 | 19449 |
| 18 | 43759 |
| 19 | 92380 |
| 20 | 184787 |
| 21 | 353137 |
| 22 | 650497 |
| 23 | 1170632 |
| 24 | 2110021 |
| 25 | 3977161 |
| 26 | 8271836 |
| 27 | 19536661 |
| 28 | 51111062 |
| 29 | 140210129 |
| 30 | 385123916 |
| 31 | 1032218316 |
| 32 | 2670065961 |
| 33 | 6645249777 |
| 34 | 15922990909 |
| 35 | 36823807747 |
| 36 | 82485177457 |