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 | 10 |
2 | 50 |
3 | 180 |
4 | 550 |
5 | 1512 |
6 | 3820 |
7 | 9040 |
8 | 20310 |
9 | 43670 |
10 | 90472 |
11 | 181540 |
12 | 354180 |
13 | 674040 |
14 | 1254640 |
15 | 2289104 |
16 | 4101430 |
17 | 7228020 |
18 | 12546030 |
19 | 21473940 |
20 | 36281656 |
21 | 60565920 |
22 | 99974140 |
23 | 163297520 |
24 | 264110180 |
25 | 423211938 |
26 | 672244600 |
27 | 1059013320 |
28 | 1655274320 |
29 | 2568068120 |