A338035 - cp's OEIS frontend

A338035 Triangle T(n,m) = (1/m)Sum_{k=1..m} kC(2m-k-1,m-k)C(2(2m-k),n-2*m+k), n>0, m>0.

n	a(n)
1	1
2	2
3	1
4	1
5	5
6	1
7	0
8	12
9	8
10	1
11	0
12	19
13	33
14	11
15	1
16	0
17	21
18	96
19	63
20	14
21	1
22	0
23	15
24	217
25	256
26	102
27	17
28	1
29	0
30	6
31	386
32	830
33	524
34	150
35	20
36	1
37	0
38	1
39	533
40	2241
41	2147
42	927
43	207
44	23
45	1
46	0
47	0
48	560
49	5079
50	7440
51	4541
52	1492
53	273
54	26
55	1

[1, 2, 1, 1, 5, 1, 0, 12, 8, 1, 0, 19, 33, 11, 1, 0, 21, 96, 63, 14, 1, 0, 15, 217, 256, 102, 17, 1, 0, 6, 386, 830, 524, 150, 20, 1, 0, 1, 533, 2241, 2147, 927, 207, 23, 1, 0, 0, 560, 5079, 7440, 4541, 1492, 273, 26, 1]

cp's OEIS Frontend

A338035 Triangle T(n,m) = (1/m)Sum_{k=1..m} kC(2m-k-1,m-k)C(2(2m-k),n-2*m+k), n>0, m>0.

Table of values

List of values

cp's OEIS Frontend

A338035 Triangle T(n,m) = (1/m)*Sum_{k=1..m} k*C(2*m-k-1,m-k)*C(2*(2*m-k),n-2*m+k), n>0, m>0.

Table of values

List of values

A338035 Triangle T(n,m) = (1/m)Sum_{k=1..m} kC(2m-k-1,m-k)C(2(2m-k),n-2*m+k), n>0, m>0.