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) |
---|---|
1 | 1 |
2 | 4 |
3 | 15 |
4 | 42 |
5 | 121 |
6 | 336 |
7 | 930 |
8 | 2548 |
9 | 6937 |
10 | 0 |
11 | 51322 |
12 | 0 |
13 | 379097 |
14 | 0 |
15 | 2801205 |
16 | 0 |
17 | 20698345 |
18 | 56264090 |
19 | 152941920 |
20 | 0 |
21 | 0 |
22 | 0 |
23 | 8350344420 |
24 | 0 |
25 | 61701166395 |
26 | 0 |
27 | 455913379395 |
28 | 1239301050694 |
29 | 3368769533660 |
30 | 0 |
31 | 24892027072619 |
32 | 0 |
33 | 183928584450999 |
34 | 0 |
35 | 0 |
36 | 0 |