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) |
|---|---|
| 0 | 5 |
| 1 | 65 |
| 2 | 725 |
| 3 | 7985 |
| 4 | 87845 |
| 5 | 966305 |
| 6 | 10629365 |
| 7 | 116923025 |
| 8 | 1286153285 |
| 9 | 14147686145 |
| 10 | 155624547605 |
| 11 | 1711870023665 |
| 12 | 18830570260325 |
| 13 | 207136272863585 |
| 14 | 2278499001499445 |
| 15 | 25063489016493905 |
| 16 | 275698379181432965 |
| 17 | 3032682170995762625 |
| 18 | 33359503880953388885 |
| 19 | 366954542690487277745 |