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 | 0 |
2 | 2 |
3 | 3 |
4 | 116 |
5 | 630 |
6 | 24054 |
7 | 273000 |
8 | 11105072 |
9 | 207213552 |
10 | 9175467960 |
11 | 245785969440 |
12 | 11954556125544 |
13 | 421832039016960 |
14 | 22609694372667024 |
15 | 991695134898861120 |
16 | 58565049582761702400 |
17 | 3065736317041568378880 |
18 | 199024242549235933723200 |