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) |
|---|---|
| 10 | 1 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 184755 |
| 21 | 705430 |
| 22 | 1293290 |
| 23 | 2288130 |
| 24 | 3922510 |
| 25 | 6537518 |
| 26 | 10623468 |
| 27 | 16872568 |
| 28 | 26246218 |
| 29 | 40060018 |
| 30 | 5550996791339 |
| 31 | 46930896641461 |
| 32 | 261675515571604 |
| 33 | 1068582396297367 |
| 34 | 3799177830315370 |
| 35 | 12437930832322213 |
| 36 | 38494027637595340 |