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 | 107 |
| 3 | 10357 |
| 4 | 12037097 |
| 5 | 32227045657 |
| 6 | 1582035465299 |
| 7 | 3799607961594979 |
| 8 | 5213093566867710049 |
| 9 | 611235349109773213549 |
| 10 | 32441088456711675411793 |
| 11 | 2527020301920681532766561 |
| 12 | 2174903961247108881101117191 |
| 13 | 7682944139414403968828307261263 |