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 | 1 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 45 |
6 | 189 |
7 | 3402 |
8 | 30618 |
9 | 1299078 |
10 | 25332021 |
11 | 2507870079 |
12 | 106698472452 |
13 | 24487299427734 |
14 | 2283997201168644 |
15 | 1209640056157393380 |
16 | 248218139523497121576 |
17 | 302358334494179897593596 |
18 | 136861610819571430116630660 |