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 | 35 |
| 3 | 1189 |
| 4 | 40391 |
| 5 | 1372105 |
| 6 | 46611179 |
| 7 | 1583407981 |
| 8 | 53789260175 |
| 9 | 1827251437969 |
| 10 | 62072759630771 |
| 11 | 2108646576008245 |
| 12 | 71631910824649559 |
| 13 | 2433376321462076761 |
| 14 | 82663163018885960315 |
| 15 | 2808114166320660573949 |