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) |
|---|---|
| 5 | 1 |
| 6 | 4 |
| 7 | 11 |
| 8 | 29 |
| 9 | 76 |
| 10 | 199 |
| 11 | 518 |
| 12 | 1324 |
| 13 | 3278 |
| 14 | 7784 |
| 15 | 17643 |
| 16 | 38138 |
| 17 | 78753 |
| 18 | 155793 |
| 19 | 296248 |
| 20 | 543333 |
| 21 | 964239 |
| 22 | 1660748 |
| 23 | 2783499 |
| 24 | 4550843 |
| 25 | 7273394 |
| 26 | 11385571 |
| 27 | 17485634 |
| 28 | 26385946 |
| 29 | 39175444 |
| 30 | 57296576 |
| 31 | 82639259 |
| 32 | 117654736 |
| 33 | 165492559 |