A145597 - cp's OEIS frontend

A145597 Generalized Narayana numbers, T(n, k) = 3/(n + 1)binomial(n + 1, k + 2)binomial(n + 1, k - 1), triangular array read by rows.

n	a(n)
2	1
3	3
4	3
5	6
6	15
7	6
8	10
9	45
10	45
11	10
12	15
13	105
14	189
15	105
16	15
17	21
18	210
19	588
20	588
21	210
22	21
23	28
24	378
25	1512
26	2352
27	1512
28	378
29	28
30	36
31	630
32	3402
33	7560
34	7560
35	3402
36	630
37	36
38	45
39	990
40	6930
41	20790
42	29700
43	20790
44	6930
45	990
46	45
47	55
48	1485
49	13068
50	50820
51	98010
52	98010

[1, 3, 3, 6, 15, 6, 10, 45, 45, 10, 15, 105, 189, 105, 15, 21, 210, 588, 588, 210, 21, 28, 378, 1512, 2352, 1512, 378, 28, 36, 630, 3402, 7560, 7560, 3402, 630, 36, 45, 990, 6930, 20790, 29700, 20790, 6930, 990, 45, 55, 1485, 13068, 50820, 98010, 98010]

cp's OEIS Frontend

A145597 Generalized Narayana numbers, T(n, k) = 3/(n + 1)binomial(n + 1, k + 2)binomial(n + 1, k - 1), triangular array read by rows.

Table of values

List of values

cp's OEIS Frontend

A145597 Generalized Narayana numbers, T(n, k) = 3/(n + 1)*binomial(n + 1, k + 2)*binomial(n + 1, k - 1), triangular array read by rows.

Table of values

List of values

A145597 Generalized Narayana numbers, T(n, k) = 3/(n + 1)binomial(n + 1, k + 2)binomial(n + 1, k - 1), triangular array read by rows.