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 | 1 |
4 | 4 |
5 | 10 |
6 | 20 |
7 | 175 |
8 | 2296 |
9 | 20244 |
10 | 134520 |
11 | 1016565 |
12 | 13527580 |
13 | 209970046 |
14 | 2785823404 |
15 | 33569936855 |
16 | 467250784560 |
17 | 8358652382760 |
18 | 159820481883696 |
19 | 2888819281378089 |
20 | 51781860691882740 |
21 | 1031576680142770930 |
22 | 23237341150372569220 |
23 | 543570375735294712651 |