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) |
|---|---|
| 11 | 12 |
| 12 | 169 |
| 13 | 1274 |
| 14 | 6825 |
| 15 | 29120 |
| 16 | 105196 |
| 17 | 334152 |
| 18 | 957372 |
| 19 | 2519400 |
| 20 | 6172530 |
| 21 | 14226212 |
| 22 | 31097794 |
| 23 | 64899744 |
| 24 | 130007500 |
| 25 | 251100200 |
| 26 | 469364220 |
| 27 | 851809140 |
| 28 | 1504982115 |
| 29 | 2594796750 |
| 30 | 4374736275 |
| 31 | 7225370880 |
| 32 | 11708971560 |
| 33 | 18644037360 |
| 34 | 29205813000 |
| 35 | 45060397200 |
| 36 | 68541870852 |