A281293 - cp's OEIS frontend

A281293 Triangular array of generalized Narayana Numbers T(n,k) = 3binomial(n+1,k) binomial(n-3,k-1)/(n+1) for n >= 2 and 0 <= k <= n-2, read by rows.

n	a(n)
2	1
3	0
4	3
5	0
6	3
7	6
8	0
9	3
10	15
11	10
12	0
13	3
14	27
15	45
16	15
17	0
18	3
19	42
20	126
21	105
22	21
23	0
24	3
25	60
26	280
27	420
28	210
29	28
30	0
31	3
32	81
33	540
34	1260
35	1134
36	378
37	36
38	0
39	3
40	105
41	945
42	3150
43	4410
44	2646
45	630
46	45
47	0
48	3
49	132
50	1540
51	6930
52	13860
53	12936
54	5544
55	990
56	55
57	0
58	3
59	162
60	2376
61	13860
62	37422
63	49896
64	33264
65	10692
66	1485
67	66

[1, 0, 3, 0, 3, 6, 0, 3, 15, 10, 0, 3, 27, 45, 15, 0, 3, 42, 126, 105, 21, 0, 3, 60, 280, 420, 210, 28, 0, 3, 81, 540, 1260, 1134, 378, 36, 0, 3, 105, 945, 3150, 4410, 2646, 630, 45, 0, 3, 132, 1540, 6930, 13860, 12936, 5544, 990, 55, 0, 3, 162, 2376, 13860, 37422, 49896, 33264, 10692, 1485, 66]

cp's OEIS Frontend

A281293 Triangular array of generalized Narayana Numbers T(n,k) = 3binomial(n+1,k) binomial(n-3,k-1)/(n+1) for n >= 2 and 0 <= k <= n-2, read by rows.

Table of values

List of values

cp's OEIS Frontend

A281293 Triangular array of generalized Narayana Numbers T(n,k) = 3*binomial(n+1,k)* binomial(n-3,k-1)/(n+1) for n >= 2 and 0 <= k <= n-2, read by rows.

Table of values

List of values

A281293 Triangular array of generalized Narayana Numbers T(n,k) = 3binomial(n+1,k) binomial(n-3,k-1)/(n+1) for n >= 2 and 0 <= k <= n-2, read by rows.