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 | 3 |
| 2 | 7 |
| 3 | 50 |
| 4 | 93 |
| 5 | 307 |
| 6 | 832 |
| 7 | 3345 |
| 8 | 7438 |
| 9 | 32327 |
| 10 | 12165645 |
| 11 | 861940477 |
| 12 | 2151642067 |
| 13 | 29933164804 |
| 14 | 39288453372 |
| 15 | 713937018048 |
| 16 | 4426276078818 |
| 17 | 19966143995933 |