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 | 12 |
| 2 | 66 |
| 3 | 232 |
| 4 | 627 |
| 5 | 1452 |
| 6 | 2982 |
| 7 | 5544 |
| 8 | 9669 |
| 9 | 16016 |
| 10 | 25158 |
| 11 | 38160 |
| 12 | 56266 |
| 13 | 80124 |
| 14 | 111816 |
| 15 | 153528 |
| 16 | 205260 |
| 17 | 270876 |
| 18 | 353870 |
| 19 | 452496 |
| 20 | 574299 |
| 21 | 724044 |
| 22 | 895884 |
| 23 | 1103520 |
| 24 | 1353330 |
| 25 | 1633500 |
| 26 | 1966482 |
| 27 | 2360072 |
| 28 | 2792703 |
| 29 | 3299340 |
| 30 | 3892922 |
| 31 | 4533936 |
| 32 | 5273841 |
| 33 | 6134448 |