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) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 56 |
5 | 432 |
6 | 3935 |
7 | 40820 |
8 | 471633 |
9 | 5980210 |
10 | 82329140 |
11 | 1220547845 |
12 | 19359684220 |
13 | 326799737576 |
14 | 5844913732057 |
15 | 110341722975077 |
16 | 2191461358459051 |
17 | 45656013573862832 |
18 | 995196646595460516 |
19 | 22644288881875546322 |
20 | 536706817952488705651 |
21 | 13225669497771610891404 |