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 | 0 |
3 | 6 |
4 | 0 |
5 | 60 |
6 | 2880 |
7 | 840 |
8 | 201600 |
9 | 7998480 |
10 | 12700800 |
11 | 1816547040 |
12 | 67898476800 |
13 | 311359688640 |
14 | 35628798965760 |
15 | 1317155266627200 |
16 | 12924530383564800 |
17 | 1308998905659244800 |
18 | 49463008450023168000 |
19 | 863080350836537433600 |
20 | 81264621182097120768000 |
21 | 3227330594664084337228800 |
22 | 87828327888763088096870400 |