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 | 1 |
2 | 4 |
3 | 22 |
4 | 112 |
5 | 556 |
6 | 2704 |
7 | 13000 |
8 | 62080 |
9 | 295312 |
10 | 1401664 |
11 | 6644320 |
12 | 31472896 |
13 | 149017792 |
14 | 705395968 |
15 | 3338614912 |
16 | 15800258560 |
17 | 74772443392 |
18 | 353840161792 |
19 | 1674425579008 |
20 | 7923565146112 |
21 | 37494981225472 |
22 | 177428889407488 |