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 | 17 |
| 3 | 325 |
| 4 | 4858 |
| 5 | 64741 |
| 6 | 808950 |
| 7 | 9706567 |
| 8 | 113236940 |
| 9 | 1294080089 |
| 10 | 14557915466 |