A142470 - cp's OEIS frontend

A142470 Triangle T(n, k) = ( (k+2)/(2binomial(k+2, 2)^2) )binomial(n, k)^2binomial(n+1, k)binomial(n+2, k), read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	8
5	1
6	1
7	30
8	30
9	1
10	1
11	80
12	300
13	80
14	1
15	1
16	175
17	1750
18	1750
19	175
20	1
21	1
22	336
23	7350
24	19600
25	7350
26	336
27	1
28	1
29	588
30	24696
31	144060
32	144060
33	24696
34	588
35	1
36	1
37	960
38	70560
39	790272
40	1728720
41	790272
42	70560
43	960
44	1
45	1
46	1485
47	178200
48	3492720
49	14669424
50	14669424
51	3492720
52	178200
53	1485
54	1

[1, 1, 1, 1, 8, 1, 1, 30, 30, 1, 1, 80, 300, 80, 1, 1, 175, 1750, 1750, 175, 1, 1, 336, 7350, 19600, 7350, 336, 1, 1, 588, 24696, 144060, 144060, 24696, 588, 1, 1, 960, 70560, 790272, 1728720, 790272, 70560, 960, 1, 1, 1485, 178200, 3492720, 14669424, 14669424, 3492720, 178200, 1485, 1]

cp's OEIS Frontend

A142470 Triangle T(n, k) = ( (k+2)/(2binomial(k+2, 2)^2) )binomial(n, k)^2binomial(n+1, k)binomial(n+2, k), read by rows.

Table of values

List of values

cp's OEIS Frontend

A142470 Triangle T(n, k) = ( (k+2)/(2*binomial(k+2, 2)^2) )*binomial(n, k)^2*binomial(n+1, k)*binomial(n+2, k), read by rows.

Table of values

List of values

A142470 Triangle T(n, k) = ( (k+2)/(2binomial(k+2, 2)^2) )binomial(n, k)^2binomial(n+1, k)binomial(n+2, k), read by rows.