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) |
---|---|
1 | -1 |
2 | 0 |
3 | 2 |
4 | 8 |
5 | 78 |
6 | 214 |
7 | 1556 |
8 | 4108 |
9 | 28518 |
10 | 513972 |
11 | 1345808 |
12 | 24156990 |
13 | 165578670 |
14 | 433491846 |
15 | 2971210580 |
16 | 53316283380 |
17 | 956722012572 |
18 | 2504730758802 |
19 | 44945570173074 |
20 | 308061521102198 |
21 | 806515532933562 |
22 | 14472334024479534 |
23 | 99194853094422264 |
24 | 1779979416004150202 |