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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 308 |
| 6 | 432 |
| 7 | 28422 |
| 8 | 156382 |
| 9 | 267314 |
| 10 | 453294 |
| 11 | 11504931 |
| 12 | 849955263 |
| 13 | 2349980289 |
| 14 | 3588031780 |
| 15 | 8600404591 |
| 16 | 15621034283 |