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 | 7 |
| 3 | 751530 |
| 4 | 4730879 |
| 5 | 5260710 |
| 6 | 33116153 |
| 7 | 37200735 |
| 8 | 187062910 |
| 9 | 226141311 |
| 10 | 259109835 |
| 11 | 260405145 |
| 12 | 370049418 |
| 13 | 522409465 |
| 14 | 836308083 |
| 15 | 1105725765 |
| 16 | 1309440370 |
| 17 | 1343713507 |
| 18 | 1582989177 |
| 19 | 1609505430 |
| 20 | 1813768845 |
| 21 | 2590345926 |
| 22 | 3039492538 |
| 23 | 3656866255 |