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 | 4 |
| 2 | 10 |
| 3 | 24 |
| 4 | 55 |
| 5 | 116 |
| 6 | 230 |
| 7 | 440 |
| 8 | 819 |
| 9 | 1480 |
| 10 | 2602 |
| 11 | 4480 |
| 12 | 7580 |
| 13 | 12604 |
| 14 | 20620 |
| 15 | 33272 |
| 16 | 53029 |
| 17 | 83520 |
| 18 | 130088 |
| 19 | 200600 |
| 20 | 306488 |
| 21 | 464168 |
| 22 | 697150 |
| 23 | 1039032 |
| 24 | 1537435 |
| 25 | 2259300 |
| 26 | 3298428 |
| 27 | 4785880 |
| 28 | 6903657 |
| 29 | 9903040 |
| 30 | 14129846 |
| 31 | 20058488 |
| 32 | 28336790 |
| 33 | 39845456 |
| 34 | 55778050 |
| 35 | 77747328 |
| 36 | 107924347 |
| 37 | 149221160 |