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 | 0 |
4 | 24 |
5 | 0 |
6 | 0 |
7 | 2520 |
8 | 201600 |
9 | 0 |
10 | 604800 |
11 | 259459200 |
12 | 16765056000 |
13 | 259459200 |
14 | 406832025600 |
15 | 100037089152000 |
16 | 5963169474662400 |
17 | 844757641728000 |
18 | 560207699251200000 |
19 | 107716905363549081600 |
20 | 6157546579533533184000 |
21 | 3525275009847951360000 |
22 | 1582967914636148232192000 |
23 | 264668100119565849907200000 |