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 | 4 |
3 | 30 |
4 | 360 |
5 | 5880 |
6 | 120960 |
7 | 2996280 |
8 | 86889600 |
9 | 2889976320 |
10 | 108501724800 |
11 | 4539844108800 |
12 | 209497816281600 |
13 | 10570762445443200 |
14 | 578997352591257600 |
15 | 34214810278128480000 |
16 | 2169772724008976486400 |
17 | 146984464202544531763200 |