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 | 32 |
5 | 210 |
6 | 2184 |
7 | 26460 |
8 | 373344 |
9 | 6150816 |
10 | 113958720 |
11 | 2362345920 |
12 | 54094694400 |
13 | 1355708296800 |
14 | 36926213869440 |
15 | 1085886303989760 |
16 | 34291129916574720 |
17 | 1157362522046277120 |
18 | 41576054625791078400 |
19 | 1583864892141097098240 |
20 | 63779322541075124428800 |