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 | 36 |
| 2 | 3960 |
| 3 | 197172 |
| 4 | 8372376 |
| 5 | 313590732 |
| 6 | 10961493288 |
| 7 | 364496212992 |
| 8 | 11715923002644 |
| 9 | 367218115613412 |
| 10 | 11297962590845364 |
| 11 | 342721436917704060 |
| 12 | 10284809936813182116 |
| 13 | 306078425919342660924 |