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 | 32 |
5 | 180 |
6 | 954 |
7 | 6524 |
8 | 45016 |
9 | 360144 |
10 | 3023640 |
11 | 27617832 |
12 | 271481880 |
13 | 2775329232 |
14 | 31188079272 |
15 | 350827041000 |
16 | 4441125248640 |
17 | 54110311240512 |
18 | 765546040603584 |
19 | 9938498593229568 |
20 | 156934910753107200 |
21 | 2128783325724881280 |
22 | 37775147271084647424 |