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 | 8 |
| 2 | 36 |
| 3 | 128 |
| 4 | 394 |
| 5 | 1088 |
| 6 | 2776 |
| 7 | 6656 |
| 8 | 15155 |
| 9 | 33056 |
| 10 | 69508 |
| 11 | 141568 |
| 12 | 280382 |
| 13 | 541696 |
| 14 | 1023512 |
| 15 | 1895424 |
| 16 | 3446617 |
| 17 | 6163536 |
| 18 | 10854400 |
| 19 | 18846592 |
| 20 | 32296742 |
| 21 | 54673920 |
| 22 | 91506000 |
| 23 | 151523840 |
| 24 | 248403014 |
| 25 | 403396288 |
| 26 | 649286724 |
| 27 | 1036287744 |
| 28 | 1640796160 |
| 29 | 2578305024 |
| 30 | 4022351720 |
| 31 | 6232177664 |
| 32 | 9592906446 |