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 | 5 |
3 | 30 |
4 | 281 |
5 | 3400 |
6 | 50557 |
7 | 890120 |
8 | 18101617 |
9 | 417464064 |
10 | 10764826421 |
11 | 306893014912 |
12 | 9584448407305 |
13 | 325407839778944 |
14 | 11933432488693549 |
15 | 470087171351873280 |
16 | 19796492491889197025 |
17 | 887518214183286390784 |
18 | 42202928616264032249701 |
19 | 2121583256369642798845952 |