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 | 1 |
3 | 0 |
4 | 5 |
5 | 1 |
6 | 70 |
7 | 106 |
8 | 2380 |
9 | 12398 |
10 | 184359 |
11 | 1830820 |
12 | 25990371 |
13 | 348029255 |
14 | 531547931 |
15 | 83340599734 |
16 | 1395460803100 |
17 | 24298184539132 |
18 | 442299791441900 |
19 | 8348538362127894 |
20 | 163180897579795284 |