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 | 29 |
| 2 | 812 |
| 3 | 22736 |
| 4 | 636608 |
| 5 | 17825024 |
| 6 | 499100266 |
| 7 | 13974796080 |
| 8 | 391293972342 |
| 9 | 10956222324432 |
| 10 | 306773975852064 |
| 11 | 8589664345360896 |
| 12 | 240510406272356430 |
| 13 | 6734285904493468188 |
| 14 | 188559852134231228994 |
| 15 | 5279671570397554562148 |