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 | 0 |
1 | 0 |
2 | 2 |
3 | 9 |
4 | 56 |
5 | 480 |
6 | 5394 |
7 | 75775 |
8 | 1280376 |
9 | 25270056 |
10 | 569899770 |
11 | 14444562803 |
12 | 406204015524 |
13 | 12545427045008 |
14 | 422007399953398 |
15 | 15354968442741135 |
16 | 600807449737710832 |
17 | 25153741340051795248 |
18 | 1121917008608064151218 |
19 | 53107023489332468636739 |
20 | 2658946993059795072656540 |