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 | 8 |
| 2 | 56 |
| 3 | 3104 |
| 4 | 9634304 |
| 5 | 92819813433344 |
| 6 | 8615517765800787268541087744 |
| 7 | 74227146372828989101844394431169040459931374583287906304 |