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 | 0 |
| 1 | 1 |
| 2 | 9 |
| 3 | 36 |
| 4 | 106 |
| 5 | 252 |
| 6 | 528 |
| 7 | 964 |
| 8 | 1617 |
| 9 | 2559 |
| 10 | 3880 |
| 11 | 5631 |
| 12 | 7950 |
| 13 | 10900 |
| 14 | 14595 |
| 15 | 19161 |
| 16 | 24727 |
| 17 | 31419 |
| 18 | 39399 |
| 19 | 48790 |
| 20 | 59799 |
| 21 | 72570 |
| 22 | 87277 |
| 23 | 104124 |
| 24 | 123342 |
| 25 | 145075 |
| 26 | 169575 |
| 27 | 197061 |
| 28 | 227779 |
| 29 | 261915 |
| 30 | 299778 |
| 31 | 341599 |
| 32 | 387624 |
| 33 | 438171 |
| 34 | 493486 |