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 | 91 |
| 4 | 1484 |
| 5 | 27468 |
| 6 | 551313 |
| 7 | 11710328 |
| 8 | 259379101 |
| 9 | 5933702467 |
| 10 | 139272913892 |
| 11 | 3338026689018 |
| 12 | 81406063278113 |
| 13 | 2014611366114053 |
| 14 | 50486299825273271 |