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) |
---|---|
3 | 1 |
4 | 2 |
5 | 4 |
6 | 8 |
7 | 15 |
8 | 32 |
9 | 64 |
10 | 144 |
11 | 330 |
12 | 768 |
13 | 1800 |
14 | 4368 |
15 | 10800 |
16 | 27300 |
17 | 70560 |
18 | 184800 |
19 | 494208 |
20 | 1343680 |
21 | 3704400 |
22 | 10388250 |
23 | 29560960 |
24 | 85250880 |
25 | 249318000 |
26 | 738720000 |
27 | 2216160000 |
28 | 6729074352 |
29 | 20675655000 |
30 | 64247758848 |
31 | 201820667904 |