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 | 34 |
| 3 | 251943 |
| 4 | 77358462192 |
| 5 | 329674933038929584801859 |
| 6 | 118413558884112868600621270078763367701114576955 |
| 7 | 19756890296133318743365962162537257145612343071078668201479848363416263252859088735079245625303 |