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 | 3 |
2 | 5 |
3 | 30 |
4 | 115 |
5 | 495 |
6 | 2060 |
7 | 8655 |
8 | 36265 |
9 | 152070 |
10 | 637535 |
11 | 2672955 |
12 | 11206540 |
13 | 46984395 |
14 | 196985885 |
15 | 825879630 |
16 | 3462568315 |
17 | 14517103095 |
18 | 60864150860 |
19 | 255177968055 |
20 | 1069854658465 |
21 | 4485453815670 |
22 | 18805634739335 |
23 | 78844173296355 |
24 | 330560693585740 |
25 | 1385902947238995 |