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 | 2 |
| 4 | 2 |
| 5 | 6 |
| 6 | 12 |
| 7 | 29 |
| 8 | 64 |
| 9 | 114 |
| 10 | 404 |
| 11 | 641 |
| 12 | 2637 |
| 13 | 3289 |
| 14 | 15853 |
| 15 | 22068 |
| 16 | 98168 |
| 17 | 164238 |
| 18 | 547111 |
| 19 | 1292502 |
| 20 | 3020056 |
| 21 | 10442124 |
| 22 | 15954682 |
| 23 | 79385179 |
| 24 | 89229089 |
| 25 | 576106142 |
| 26 | 595912173 |
| 27 | 3848976774 |
| 28 | 4853522881 |
| 29 | 23699101223 |
| 30 | 44768315427 |
| 31 | 132700765034 |