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 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 4 |
5 | 10 |
6 | 20 |
7 | 35 |
8 | 616 |
9 | 5124 |
10 | 29520 |
11 | 138765 |
12 | 1312300 |
13 | 16576846 |
14 | 175795984 |
15 | 1539037955 |
16 | 15687832720 |
17 | 216382727240 |
18 | 3170822906976 |
19 | 42007311638169 |
20 | 553841577209940 |
21 | 8435274815148370 |
22 | 145708900713412960 |
23 | 2517047758252082671 |
24 | 42575155321545439384 |