A089627 - cp's OEIS frontend

A089627 T(n,k) = binomial(n,2k)binomial(2*k,k) for 0 <= k <= n, triangle read by rows.

n	a(n)
0	1
1	1
2	0
3	1
4	2
5	0
6	1
7	6
8	0
9	0
10	1
11	12
12	6
13	0
14	0
15	1
16	20
17	30
18	0
19	0
20	0
21	1
22	30
23	90
24	20
25	0
26	0
27	0
28	1
29	42
30	210
31	140
32	0
33	0
34	0
35	0
36	1
37	56
38	420
39	560
40	70
41	0
42	0
43	0
44	0
45	1
46	72
47	756
48	1680
49	630
50	0
51	0
52	0
53	0
54	0
55	1
56	90
57	1260
58	4200
59	3150
60	252
61	0
62	0
63	0
64	0
65	0
66	1
67	110
68	1980
69	9240
70	11550
71	2772
72	0
73	0
74	0
75	0
76	0
77	0
78	1
79	132
80	2970
81	18480
82	34650
83	16632
84	924
85	0
86	0
87	0
88	0
89	0
90	0
91	1
92	156
93	4290
94	34320
95	90090
96	72072
97	12012
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	1
106	182
107	6006
108	60060
109	210210
110	252252
111	84084
112	3432
113	0
114	0
115	0
116	0
117	0
118	0
119	0

[1, 1, 0, 1, 2, 0, 1, 6, 0, 0, 1, 12, 6, 0, 0, 1, 20, 30, 0, 0, 0, 1, 30, 90, 20, 0, 0, 0, 1, 42, 210, 140, 0, 0, 0, 0, 1, 56, 420, 560, 70, 0, 0, 0, 0, 1, 72, 756, 1680, 630, 0, 0, 0, 0, 0, 1, 90, 1260, 4200, 3150, 252, 0, 0, 0, 0, 0, 1, 110, 1980, 9240, 11550, 2772, 0, 0, 0, 0, 0, 0, 1, 132, 2970, 18480, 34650, 16632, 924, 0, 0, 0, 0, 0, 0, 1, 156, 4290, 34320, 90090, 72072, 12012, 0, 0, 0, 0, 0, 0, 0, 1, 182, 6006, 60060, 210210, 252252, 84084, 3432, 0, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A089627 T(n,k) = binomial(n,2k)binomial(2*k,k) for 0 <= k <= n, triangle read by rows.

Table of values

List of values

cp's OEIS Frontend

A089627 T(n,k) = binomial(n,2*k)*binomial(2*k,k) for 0 <= k <= n, triangle read by rows.

Table of values

List of values

A089627 T(n,k) = binomial(n,2k)binomial(2*k,k) for 0 <= k <= n, triangle read by rows.