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.

A126445 Triangle, read by rows, where T(n,k) = C(C(n+2,3) - C(k+2,3), n-k) for n >= k >= 0.

Table of values

n a(n)
0 1
1 1
2 1
3 6
4 3
5 1
6 120
7 36
8 6
9 1
10 4845
11 969
12 120
13 10
14 1
15 324632
16 46376
17 4495
18 300
19 15
20 1
21 32468436
22 3478761
23 270725
24 15180
25 630
26 21
27 1
28 4529365776
29 377447148
30 24040016
31 1150626
32 41664
33 1176
34 28
35 1
36 840261910995
37 56017460733
38 2967205528
39 122391522
40 3921225
41 98770
42 2016
43 36
44 1

List of values

[1, 1, 1, 6, 3, 1, 120, 36, 6, 1, 4845, 969, 120, 10, 1, 324632, 46376, 4495, 300, 15, 1, 32468436, 3478761, 270725, 15180, 630, 21, 1, 4529365776, 377447148, 24040016, 1150626, 41664, 1176, 28, 1, 840261910995, 56017460733, 2967205528, 122391522, 3921225, 98770, 2016, 36, 1]