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 | 2 |
2 | 12 |
3 | 56 |
4 | 240 |
5 | 832 |
6 | 3264 |
7 | 12672 |
8 | 48896 |
9 | 187904 |
10 | 724992 |
11 | 2795520 |
12 | 10776576 |
13 | 41541632 |
14 | 160153600 |
15 | 617414656 |
16 | 2380201984 |
17 | 9175957504 |
18 | 35374497792 |
19 | 136373075968 |
20 | 525735034880 |
21 | 2026773676032 |
22 | 7813464064000 |
23 | 30121872326656 |
24 | 116123550875648 |
25 | 447670682386432 |