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 | 0 |
| 2 | 1 |
| 3 | 9 |
| 4 | 3825 |
| 5 | 6561 |
| 6 | 102465 |
| 7 | 188505 |
| 8 | 190905 |
| 9 | 1001385 |
| 10 | 1556985 |
| 11 | 3427137 |
| 12 | 5153577 |
| 13 | 5270625 |
| 14 | 5347881 |
| 15 | 13658225 |
| 16 | 14178969 |
| 17 | 20867625 |
| 18 | 23828049 |
| 19 | 27511185 |
| 20 | 29400657 |
| 21 | 48533625 |
| 22 | 80817009 |
| 23 | 83406609 |
| 24 | 89556105 |
| 25 | 108464265 |
| 26 | 123395265 |
| 27 | 127558881 |
| 28 | 130747689 |
| 29 | 133861905 |