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 | 690 |
6 | 24714 |
7 | 315840 |
8 | 11919088 |
9 | 250812072 |
10 | 10389272040 |
11 | 310700914920 |
12 | 14351129171400 |
13 | 557402214180240 |
14 | 28831564284582864 |
15 | 1372162923004025880 |
16 | 79345973798740154880 |
17 | 4450055092134985771200 |
18 | 286324089075857021558976 |