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 | 6 |
3 | 28 |
4 | 152 |
5 | 1008 |
6 | 7936 |
7 | 70208 |
8 | 689664 |
9 | 7618816 |
10 | 92013824 |
11 | 1202362368 |
12 | 17053410304 |
13 | 258928934912 |
14 | 4197838491648 |
15 | 72840915607552 |
16 | 1334630802489344 |
17 | 25799982480556032 |
18 | 527187369241870336 |
19 | 11292834065764450304 |
20 | 253498950169144590336 |
21 | 5965951790211865772032 |
22 | 146341359815078034538496 |