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 | 0 |
5 | 1 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 1 |
10 | 252 |
11 | 0 |
12 | 0 |
13 | 1 |
14 | 4004 |
15 | 756756 |
16 | 0 |
17 | 1 |
18 | 65756 |
19 | 69837768 |
20 | 11732745024 |
21 | 1 |
22 | 1047508 |
23 | 5772957036 |
24 | 3957845988096 |
25 | 623360743125121 |
26 | 16781260 |
27 | 475191562560 |
28 | 1078063276530240 |
29 | 587517500395425601 |
30 | 88832646060056769732 |
31 | 38604505286340 |