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 | 3 |
| 2 | 41 |
| 3 | 1531 |
| 4 | 111393 |
| 5 | 13262051 |
| 6 | 2336744233 |
| 7 | 570621092091 |
| 8 | 184341785557121 |
| 9 | 76092709735150723 |
| 10 | 39064090158380196201 |
| 11 | 24408768326642565035963 |
| 12 | 18237590837527919131499041 |
| 13 | 16056004231253610384348995811 |
| 14 | 16448689708899063469247204152553 |