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) |
|---|---|
| 1 | 0 |
| 2 | 5 |
| 3 | 5 |
| 4 | 115 |
| 5 | 226 |
| 6 | 371 |
| 7 | 1503 |
| 8 | 8533 |
| 9 | 27717 |
| 10 | 27717 |
| 11 | 69936 |
| 12 | 848255 |
| 13 | 1308931 |
| 14 | 8255246 |
| 15 | 32564822 |
| 16 | 39063403 |