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 | 1 |
| 1 | 76 |
| 2 | 36626 |
| 3 | 13775700 |
| 4 | 5392866995 |
| 5 | 2099687534810 |
| 6 | 818177759586592 |
| 7 | 318778982954630760 |
| 8 | 124205035822005824254 |
| 9 | 48393567952045732290238 |
| 10 | 18855421270525299234217319 |
| 11 | 7346573263558160357598269172 |
| 12 | 2862420221714879808794571247043 |