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 | 1 |
2 | 1 |
3 | 4 |
4 | 6 |
5 | 3 |
6 | 1 |
7 | 142 |
8 | 11682 |
9 | 310536 |
10 | 3460725 |
11 | 19870590 |
12 | 65886660 |
13 | 133585200 |
14 | 168399000 |
15 | 128898000 |
16 | 54885600 |
17 | 9979200 |
18 | 1 |
19 | 49125 |
20 | 740212980 |
21 | 730815102166 |
22 | 151600044933990 |
23 | 11420034970306170 |
24 | 415777158607920585 |