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 | 2 |
2 | 5 |
3 | 20 |
4 | 148 |
5 | 2208 |
6 | 67904 |
7 | 4264960 |
8 | 541216768 |
9 | 137984868352 |
10 | 70507295670272 |
11 | 72128242290524160 |
12 | 147646152060442771456 |
13 | 604610628447525580832768 |
14 | 4952364915780360673188380672 |
15 | 81134591384874923825347187179520 |