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 | 20 |
3 | 320 |
4 | 7996 |
5 | 269272 |
6 | 11293792 |
7 | 563253696 |
8 | 32433009160 |
9 | 2113347523336 |
10 | 153579286783456 |
11 | 12309659862402976 |
12 | 1078628781953636960 |
13 | 102578628758305245024 |
14 | 10523148808846566898816 |
15 | 1158407291029244188955264 |
16 | 136214299772837816557703120 |
17 | 17040721610970237566148646464 |
18 | 2260018461602151565512432884608 |
19 | 316748455363386162460484685488512 |