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 | 40 |
2 | 1560 |
3 | 60840 |
4 | 2372760 |
5 | 92537640 |
6 | 3608967180 |
7 | 140749689600 |
8 | 5489236708800 |
9 | 214080185404800 |
10 | 8349125427489600 |
11 | 325615821343488000 |
12 | 12699014289580990020 |
13 | 495261450323895092760 |
14 | 19315192390812032456040 |