A281297 - cp's OEIS frontend

A281297 Triangular array of generalized Narayana numbers T(n,k) = 4binomial(n+1,k) binomial(n-4,k-1)/(n+1) for n >= 3 and 0 <= k <= n-3, read by rows.

n	a(n)
3	1
4	0
5	4
6	0
7	4
8	10
9	0
10	4
11	24
12	20
13	0
14	4
15	42
16	84
17	35
18	0
19	4
20	64
21	224
22	224
23	56
24	0
25	4
26	90
27	480
28	840
29	504
30	84
31	0
32	4
33	120
34	900
35	2400
36	2520
37	1008
38	120
39	0
40	4
41	154
42	1540
43	5775
44	9240
45	6468
46	1848
47	165
48	0
49	4
50	192
51	2464
52	12320
53	27720
54	29568
55	14784
56	3168
57	220
58	0
59	4
60	234
61	3744
62	24024
63	72072
64	108108
65	82368
66	30888
67	5148

[1, 0, 4, 0, 4, 10, 0, 4, 24, 20, 0, 4, 42, 84, 35, 0, 4, 64, 224, 224, 56, 0, 4, 90, 480, 840, 504, 84, 0, 4, 120, 900, 2400, 2520, 1008, 120, 0, 4, 154, 1540, 5775, 9240, 6468, 1848, 165, 0, 4, 192, 2464, 12320, 27720, 29568, 14784, 3168, 220, 0, 4, 234, 3744, 24024, 72072, 108108, 82368, 30888, 5148]

cp's OEIS Frontend

A281297 Triangular array of generalized Narayana numbers T(n,k) = 4binomial(n+1,k) binomial(n-4,k-1)/(n+1) for n >= 3 and 0 <= k <= n-3, read by rows.

Table of values

List of values

cp's OEIS Frontend

A281297 Triangular array of generalized Narayana numbers T(n,k) = 4*binomial(n+1,k)* binomial(n-4,k-1)/(n+1) for n >= 3 and 0 <= k <= n-3, read by rows.

Table of values

List of values

A281297 Triangular array of generalized Narayana numbers T(n,k) = 4binomial(n+1,k) binomial(n-4,k-1)/(n+1) for n >= 3 and 0 <= k <= n-3, read by rows.