cp's OEIS Frontend

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.

A360636 Triangle read by rows. T(n, m) = (1/(n + 1)) * C(n + 1, m) * 4^n * C((3*n - m + 1)/2 - 1, n) if n is odd, otherwise (1/(n + 1)) * C(n + 1, m) * C((3*n - m)/2, n) * C(3*n - m, (3*n - m)/2) / C(n - m, (n - m)/2).

Table of values

n a(n)
0 1
1 2
2 2
3 10
4 16
5 6
6 64
7 140
8 96
9 20
10 462
11 1280
12 1260
13 512
14 70
15 3584
16 12012
17 15360
18 9240
19 2560
20 252
21 29172
22 114688
23 180180
24 143360
25 60060
26 12288
27 924
28 245760
29 1108536
30 2064384
31 2042040
32 1146880
33 360360
34 57344
35 3432

List of values

[1, 2, 2, 10, 16, 6, 64, 140, 96, 20, 462, 1280, 1260, 512, 70, 3584, 12012, 15360, 9240, 2560, 252, 29172, 114688, 180180, 143360, 60060, 12288, 924, 245760, 1108536, 2064384, 2042040, 1146880, 360360, 57344, 3432]