A087647 - cp's OEIS frontend

A087647 Triangle of 3-Narayana numbers, N(n,k), for n >= 1, 0 <= k <= 2n-2.

n	a(n)
1	1
2	1
3	3
4	1
5	1
6	10
7	20
8	10
9	1
10	1
11	22
12	113
13	190
14	113
15	22
16	1
17	1
18	40
19	400
20	1456
21	2212
22	1456
23	400
24	40
25	1
26	1
27	65
28	1095
29	7095
30	20760
31	29484
32	20760
33	7095
34	1095
35	65
36	1
37	1
38	98
39	2541
40	26180
41	127435
42	320034
43	433092
44	320034
45	127435
46	26180
47	2541
48	98
49	1
50	1
51	140
52	5250
53	79870

[1, 1, 3, 1, 1, 10, 20, 10, 1, 1, 22, 113, 190, 113, 22, 1, 1, 40, 400, 1456, 2212, 1456, 400, 40, 1, 1, 65, 1095, 7095, 20760, 29484, 20760, 7095, 1095, 65, 1, 1, 98, 2541, 26180, 127435, 320034, 433092, 320034, 127435, 26180, 2541, 98, 1, 1, 140, 5250, 79870]

cp's OEIS Frontend

A087647 Triangle of 3-Narayana numbers, N(n,k), for n >= 1, 0 <= k <= 2n-2.

Table of values

List of values