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) |
|---|---|
| 1 | 10 |
| 2 | 24 |
| 3 | 126 |
| 4 | 294 |
| 5 | 858 |
| 6 | 1704 |
| 7 | 3528 |
| 8 | 5082 |
| 9 | 10296 |
| 10 | 11526 |
| 11 | 18894 |
| 12 | 22320 |
| 13 | 32208 |
| 14 | 36666 |
| 15 | 38976 |
| 16 | 51744 |
| 17 | 57330 |
| 18 | 72618 |
| 19 | 79212 |
| 20 | 96996 |
| 21 | 120684 |
| 22 | 175968 |
| 23 | 186162 |
| 24 | 212922 |
| 25 | 271914 |
| 26 | 324300 |
| 27 | 359382 |
| 28 | 381282 |
| 29 | 411504 |
| 30 | 434790 |
| 31 | 655278 |
| 32 | 674856 |
| 33 | 684726 |
| 34 | 735282 |
| 35 | 776904 |