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 | 1 |
2 | 5 |
3 | 21 |
4 | 165 |
5 | 1077 |
6 | 11457 |
7 | 103905 |
8 | 1345257 |
9 | 15834825 |
10 | 237535389 |
11 | 3372509709 |
12 | 59235634125 |
13 | 979573962429 |
14 | 19224990899865 |
15 | 366788042231193 |
16 | 8019002662543953 |
17 | 171360055378885905 |
18 | 4132946756763614133 |
19 | 97947895990285022085 |
20 | 2576516749059849502581 |
21 | 67124117357620005459141 |