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 | 8 |
| 2 | 106 |
| 3 | 1821 |
| 4 | 35435 |
| 5 | 741329 |
| 6 | 16270997 |
| 7 | 369570944 |
| 8 | 8613236374 |
| 9 | 204812473608 |
| 10 | 4949266755812 |
| 11 | 121188396669810 |
| 12 | 3000342229924222 |
| 13 | 74979188061284522 |
| 14 | 1888846103011564082 |
| 15 | 47915719069874907917 |
| 16 | 1222954711282739097587 |