A145599 - cp's OEIS frontend

A145599 Triangular array of generalized Narayana numbers: T(n,k) = 5/(n+1)binomial(n+1,k+4)binomial(n+1,k-1).

n	a(n)
4	1
5	5
6	5
7	15
8	35
9	15
10	35
11	140
12	140
13	35
14	70
15	420
16	720
17	420
18	70
19	126
20	1050
21	2700
22	2700
23	1050
24	126
25	210
26	2310
27	8250
28	12375
29	8250
30	2310
31	210
32	330
33	4620
34	21780
35	45375
36	45375
37	21780
38	4620
39	330
40	495
41	8580
42	51480
43	141570
44	196625
45	141570
46	51480
47	8580
48	495
49	715
50	15015

[1, 5, 5, 15, 35, 15, 35, 140, 140, 35, 70, 420, 720, 420, 70, 126, 1050, 2700, 2700, 1050, 126, 210, 2310, 8250, 12375, 8250, 2310, 210, 330, 4620, 21780, 45375, 45375, 21780, 4620, 330, 495, 8580, 51480, 141570, 196625, 141570, 51480, 8580, 495, 715, 15015]

cp's OEIS Frontend

A145599 Triangular array of generalized Narayana numbers: T(n,k) = 5/(n+1)binomial(n+1,k+4)binomial(n+1,k-1).

Table of values

List of values

cp's OEIS Frontend

A145599 Triangular array of generalized Narayana numbers: T(n,k) = 5/(n+1)*binomial(n+1,k+4)*binomial(n+1,k-1).

Table of values

List of values

A145599 Triangular array of generalized Narayana numbers: T(n,k) = 5/(n+1)binomial(n+1,k+4)binomial(n+1,k-1).