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 | 4 |
| 2 | 33 |
| 3 | 129 |
| 4 | 355 |
| 5 | 795 |
| 6 | 1554 |
| 7 | 2758 |
| 8 | 4554 |
| 9 | 7110 |
| 10 | 10615 |
| 11 | 15279 |
| 12 | 21333 |
| 13 | 29029 |
| 14 | 38640 |
| 15 | 50460 |
| 16 | 64804 |
| 17 | 82008 |
| 18 | 102429 |
| 19 | 126445 |
| 20 | 154455 |
| 21 | 186879 |
| 22 | 224158 |
| 23 | 266754 |
| 24 | 315150 |
| 25 | 369850 |
| 26 | 431379 |
| 27 | 500283 |
| 28 | 577129 |
| 29 | 662505 |
| 30 | 757020 |
| 31 | 861304 |
| 32 | 976008 |
| 33 | 1101804 |
| 34 | 1239385 |
| 35 | 1389465 |
| 36 | 1552779 |