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 | 251 |
| 3 | 78376 |
| 4 | 1977405119 |
| 5 | 34524689549050 |
| 6 | 8650450444070886983 |
| 7 | 239081086135595395734136 |
| 8 | 257829867026393862843621801395 |