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 | 1 |
5 | 1 |
6 | 0 |
7 | 0 |
8 | 5 |
9 | 10 |
10 | 5 |
11 | 0 |
12 | 35 |
13 | 105 |
14 | 105 |
15 | 35 |
16 | 285 |
17 | 1140 |
18 | 1710 |
19 | 1140 |
20 | 2815 |
21 | 12650 |
22 | 25300 |
23 | 25300 |
24 | 36401 |
25 | 145036 |
26 | 356265 |
27 | 475020 |
28 | 588145 |
29 | 1765666 |
30 | 4893231 |
31 | 8115800 |
32 | 10446245 |
33 | 23513040 |
34 | 66875620 |
35 | 130736800 |
36 | 187081505 |
37 | 346058115 |
38 | 927465240 |