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 | 5 |
| 2 | 76 |
| 3 | 23353 |
| 4 | 1760750176 |
| 5 | 11091689481099523647 |
| 6 | 624609172612912277752469960143750195996 |
| 7 | 1154850060305896828989836424061308107033056930212520517493782451684269172225140 |