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 | 35 |
| 4 | 95 |
| 5 | 210 |
| 6 | 406 |
| 7 | 714 |
| 8 | 1170 |
| 9 | 1815 |
| 10 | 2695 |
| 11 | 3861 |
| 12 | 5369 |
| 13 | 7280 |
| 14 | 9660 |
| 15 | 12580 |
| 16 | 16116 |
| 17 | 20349 |
| 18 | 25365 |
| 19 | 31255 |
| 20 | 38115 |
| 21 | 46046 |
| 22 | 55154 |
| 23 | 65550 |
| 24 | 77350 |
| 25 | 90675 |
| 26 | 105651 |
| 27 | 122409 |
| 28 | 141085 |
| 29 | 161820 |
| 30 | 184760 |
| 31 | 210056 |
| 32 | 237864 |
| 33 | 268345 |
| 34 | 301665 |
| 35 | 337995 |