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 | 31 |
| 2 | 992 |
| 3 | 31775 |
| 4 | 1016800 |
| 5 | 32537631 |
| 6 | 1041204192 |
| 7 | 33318534175 |
| 8 | 1066193093600 |
| 9 | 34118178995231 |
| 10 | 1091781727847392 |
| 11 | 34937015291116575 |
| 12 | 1117984489315730400 |
| 13 | 35775503658103372831 |
| 14 | 1144816117059307930592 |
| 15 | 36634115745897853778975 |