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 | 0 |
2 | 1 |
3 | 1 |
4 | 5 |
5 | 15 |
6 | 70 |
7 | 330 |
8 | 1820 |
9 | 10858 |
10 | 70875 |
11 | 497135 |
12 | 3727955 |
13 | 29658410 |
14 | 248989676 |
15 | 2194891440 |
16 | 20231692430 |
17 | 194286848280 |
18 | 1937546532820 |
19 | 20008993160460 |
20 | 213436182918652 |
21 | 2346406693816315 |
22 | 26531060178217182 |
23 | 307987244037724262 |
24 | 3664579007885995952 |