A065420 - cp's OEIS frontend

A065420 Triangle T(n,k) = binomial(n+2,k+1)*(binomial(n+2,k+1)-1), n >=0, 0 <= k <= n.

n	a(n)
0	2
1	6
2	6
3	12
4	30
5	12
6	20
7	90
8	90
9	20
10	30
11	210
12	380
13	210
14	30
15	42
16	420
17	1190
18	1190
19	420
20	42
21	56
22	756
23	3080
24	4830
25	3080
26	756
27	56
28	72
29	1260
30	6972
31	15750
32	15750
33	6972
34	1260
35	72
36	90
37	1980
38	14280
39	43890
40	63252
41	43890
42	14280
43	1980
44	90
45	110
46	2970
47	27060
48	108570
49	212982

[2, 6, 6, 12, 30, 12, 20, 90, 90, 20, 30, 210, 380, 210, 30, 42, 420, 1190, 1190, 420, 42, 56, 756, 3080, 4830, 3080, 756, 56, 72, 1260, 6972, 15750, 15750, 6972, 1260, 72, 90, 1980, 14280, 43890, 63252, 43890, 14280, 1980, 90, 110, 2970, 27060, 108570, 212982]

cp's OEIS Frontend

A065420 Triangle T(n,k) = binomial(n+2,k+1)*(binomial(n+2,k+1)-1), n >=0, 0 <= k <= n.

Table of values

List of values