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 | 1 |
| 1 | 1 |
| 2 | 14 |
| 3 | 596 |
| 4 | 51570 |
| 5 | 7499467 |
| 6 | 1643722873 |
| 7 | 505862470010 |
| 8 | 207976214329922 |
| 9 | 110082566480231855 |
| 10 | 72903763226014970781 |
| 11 | 59052859112474311283157 |
| 12 | 57431375668375876890521461 |
| 13 | 66037761629358556242334308571 |
| 14 | 88619376126543463987900902115279 |