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 | 2 |
2 | 96 |
3 | 17280 |
4 | 860160 |
5 | 774144000 |
6 | 408748032000 |
7 | 347163328512000 |
8 | 266621436297216000 |
9 | 163172319013896192000 |
10 | 67488959156767948800 |
11 | 14865958099336613068800 |
12 | 785345441564243189248819200 |
13 | 530893518497428395932201779200 |
14 | 2831432098652951444971742822400 |
15 | 221701133324526098141287462993920000 |