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 | 2 |
2 | 4 |
3 | 10 |
4 | 32 |
5 | 112 |
6 | 400 |
7 | 1464 |
8 | 5520 |
9 | 21296 |
10 | 83456 |
11 | 331136 |
12 | 1328320 |
13 | 5379200 |
14 | 21959936 |
15 | 90271904 |
16 | 373347840 |
17 | 1552438016 |
18 | 6486311680 |
19 | 27217331456 |
20 | 114649525760 |
21 | 484640538112 |
22 | 2055185596416 |
23 | 8740711936000 |
24 | 37273693649920 |
25 | 159340373710848 |
26 | 682708771254272 |
27 | 2931290431277056 |