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 | 256 |
| 2 | 16000 |
| 3 | 186516 |
| 4 | 1334973 |
| 5 | 8073038 |
| 6 | 44901359 |
| 7 | 233090092 |
| 8 | 1121852243 |
| 9 | 4979825221 |
| 10 | 20391024279 |
| 11 | 77331512406 |
| 12 | 273217833082 |
| 13 | 905042600151 |
| 14 | 2828381836611 |
| 15 | 8387049692461 |
| 16 | 23720147714267 |
| 17 | 64273739402314 |