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 | 1 |
2 | 6 |
3 | 90 |
4 | 2520 |
5 | 16200 |
6 | 7484400 |
7 | 681080400 |
8 | 11675664000 |
9 | 12504636144000 |
10 | 2375880867360000 |
11 | 78404068622880000 |
12 | 8910391798788480000 |
13 | 49229914688306352000000 |
14 | 2658415393168543008000000 |
15 | 476169110129306674080000000 |
16 | 4015057936610313875842560000000 |
17 | 321778214634055154906810880000000 |