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 | 176 |
5 | 1050 |
6 | 57144 |
7 | 744660 |
8 | 41682304 |
9 | 917959392 |
10 | 54654865920 |
11 | 1761420386880 |
12 | 113338947830976 |
13 | 4879197834619680 |
14 | 341937322823859840 |
15 | 18486700938579444480 |
16 | 1415296984669095859200 |
17 | 92017658919053166405120 |
18 | 7695907229874069158658048 |