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 | 3 |
| 2 | 17 |
| 3 | 29 |
| 4 | 281 |
| 5 | 254993 |
| 6 | 690953 |
| 7 | 607435538171963 |
| 8 | 192133794380608031505991200873083839505054136751452696277424837839455632569607117048950195313 |