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 | 1 |
2 | 0 |
3 | 1 |
4 | 6 |
5 | 28 |
6 | 126 |
7 | 613 |
8 | 3438 |
9 | 22159 |
10 | 157362 |
11 | 1189126 |
12 | 9436320 |
13 | 78690781 |
14 | 692478684 |
15 | 6439539457 |
16 | 63106488618 |
17 | 648453907216 |
18 | 6952719052134 |
19 | 77521908188737 |
20 | 897132401326458 |
21 | 10764085132255807 |
22 | 133774484448519294 |
23 | 1720018195807299418 |
24 | 22847325911461934352 |