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) |
---|---|
1 | 1 |
2 | 9 |
3 | 126 |
4 | 2394 |
5 | 57456 |
6 | 1666224 |
7 | 56651616 |
8 | 2209413024 |
9 | 97214173056 |
10 | 4763494479744 |
11 | 257228701906176 |
12 | 15176493412464384 |
13 | 971295578397720576 |
14 | 67019394909442719744 |
15 | 4959435223298761261056 |
16 | 391795382640602139623424 |
17 | 32910812141810579728367616 |
18 | 2929062280621141595824717824 |