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 | 3 |
1 | 15 |
2 | 61 |
3 | 240 |
4 | 912 |
5 | 3376 |
6 | 12240 |
7 | 43632 |
8 | 153360 |
9 | 532656 |
10 | 1831248 |
11 | 6240240 |
12 | 21100176 |
13 | 70858800 |
14 | 236510928 |
15 | 785115504 |
16 | 2593432080 |
17 | 8528565168 |
18 | 27932538960 |
19 | 91144257264 |
20 | 296391022992 |
21 | 960802812720 |
22 | 3105562639824 |
23 | 10010945435760 |
24 | 32189993590032 |
25 | 103264606820016 |