A063007 - cp's OEIS frontend

A063007 T(n,k) = binomial(n,k)*binomial(n+k,k), 0 <= k <= n, triangle read by rows.

n	a(n)
0	1
1	1
2	2
3	1
4	6
5	6
6	1
7	12
8	30
9	20
10	1
11	20
12	90
13	140
14	70
15	1
16	30
17	210
18	560
19	630
20	252
21	1
22	42
23	420
24	1680
25	3150
26	2772
27	924
28	1
29	56
30	756
31	4200
32	11550
33	16632
34	12012
35	3432
36	1
37	72
38	1260
39	9240
40	34650
41	72072
42	84084
43	51480
44	12870
45	1
46	90
47	1980
48	18480
49	90090
50	252252
51	420420
52	411840
53	218790
54	48620

[1, 1, 2, 1, 6, 6, 1, 12, 30, 20, 1, 20, 90, 140, 70, 1, 30, 210, 560, 630, 252, 1, 42, 420, 1680, 3150, 2772, 924, 1, 56, 756, 4200, 11550, 16632, 12012, 3432, 1, 72, 1260, 9240, 34650, 72072, 84084, 51480, 12870, 1, 90, 1980, 18480, 90090, 252252, 420420, 411840, 218790, 48620]

cp's OEIS Frontend

A063007 T(n,k) = binomial(n,k)*binomial(n+k,k), 0 <= k <= n, triangle read by rows.

Table of values

List of values