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 | 0 |
1 | 1 |
2 | 4 |
3 | 15 |
4 | 56 |
5 | 200 |
6 | 672 |
7 | 2128 |
8 | 6400 |
9 | 18432 |
10 | 51200 |
11 | 137984 |
12 | 362496 |
13 | 931840 |
14 | 2351104 |
15 | 5836800 |
16 | 14286848 |
17 | 34537472 |
18 | 82575360 |
19 | 195493888 |
20 | 458752000 |
21 | 1067974656 |
22 | 2468347904 |
23 | 5667553280 |
24 | 12935233536 |
25 | 29360128000 |
26 | 66303557632 |
27 | 149032009728 |
28 | 333531054080 |
29 | 743431995392 |