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 | 0 |
3 | 0 |
4 | 4 |
5 | 10 |
6 | 20 |
7 | 35 |
8 | 3976 |
9 | 35364 |
10 | 205920 |
11 | 970365 |
12 | 37643980 |
13 | 670990606 |
14 | 7705037704 |
15 | 69043474955 |
16 | 1690055888080 |
17 | 43135620048200 |
18 | 793592298255936 |
19 | 11401734214307769 |
20 | 250361353418216340 |
21 | 7380072768323315410 |
22 | 187670442928777057480 |
23 | 3868359812089009616071 |