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 | 2 |
3 | 9 |
4 | 56 |
5 | 480 |
6 | 5094 |
7 | 65534 |
8 | 984808 |
9 | 16992144 |
10 | 330667680 |
11 | 7130797872 |
12 | 168564160632 |
13 | 4321664793264 |
14 | 119356965323400 |
15 | 3528831476247240 |
16 | 111173720474673984 |
17 | 3716755785886791168 |
18 | 131414199676568655552 |
19 | 4899052003032070987968 |
20 | 192050612714621129114880 |