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 | 4 |
3 | 27 |
4 | 272 |
5 | 3630 |
6 | 60714 |
7 | 1221864 |
8 | 28779120 |
9 | 776965680 |
10 | 23662145160 |
11 | 802640076480 |
12 | 30014281406856 |
13 | 1226796674341056 |
14 | 54417859649294400 |
15 | 2603641529587553280 |
16 | 133660822187138916480 |
17 | 7328549084322230968320 |
18 | 427437378614564995967424 |