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 | 7 |
| 2 | 13 |
| 3 | 97 |
| 4 | 8833 |
| 5 | 77968897 |
| 6 | 6079148431583233 |
| 7 | 36956045653220845240164417232897 |
| 8 | 1365749310322943329964576677590044473746108255675592519835615233 |