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 | 1 |
| 2 | 683 |
| 3 | 54685 |
| 4 | 11716601 |
| 5 | 1894621633 |
| 6 | 342050825969 |
| 7 | 59567383578529 |
| 8 | 10529540995776143 |
| 9 | 1851260737169108297 |
| 10 | 326207195516663381931 |
| 11 | 57432330223655165724245 |
| 12 | 10115159197829895564709879 |
| 13 | 1781269009331896694492341991 |
| 14 | 313697981363828055088298550945 |