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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 9 |
| 5 | 16 |
| 6 | 36 |
| 7 | 64 |
| 8 | 135 |
| 9 | 250 |
| 10 | 504 |
| 11 | 917 |
| 12 | 1864 |
| 13 | 3372 |
| 14 | 6593 |
| 15 | 12176 |
| 16 | 23473 |
| 17 | 42732 |
| 18 | 82142 |
| 19 | 149282 |
| 20 | 283104 |
| 21 | 516780 |
| 22 | 967894 |
| 23 | 1757865 |
| 24 | 3291964 |
| 25 | 5959633 |
| 26 | 11039163 |
| 27 | 20022457 |
| 28 | 36908442 |
| 29 | 66637739 |
| 30 | 122512809 |
| 31 | 220717328 |
| 32 | 403499293 |
| 33 | 726866565 |
| 34 | 1322670966 |
| 35 | 2376541137 |