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 | 81 |
| 2 | 2570 |
| 3 | 96693 |
| 4 | 3546870 |
| 5 | 130854309 |
| 6 | 4817792042 |
| 7 | 177509416175 |
| 8 | 6539125324144 |
| 9 | 240894164469261 |
| 10 | 8874303766960833 |
| 11 | 326920126439954151 |
| 12 | 12043397390708228297 |
| 13 | 443666302338469244577 |
| 14 | 16344206879501911050248 |