A339028 - cp's OEIS frontend

A339028 Triangle T(n,m) = 3(m+1)C(n+m+3,m)C(2n+2,n-m)/((n+m+3)*C(n+1,m)).

n	a(n)
0	1
1	3
2	3
3	9
4	12
5	9
6	28
7	42
8	42
9	28
10	90
11	144
12	162
13	144
14	90
15	297
16	495
17	594
18	594
19	495
20	297
21	1001
22	1716
23	2145
24	2288
25	2145
26	1716
27	1001
28	3432
29	6006
30	7722
31	8580
32	8580
33	7722
34	6006
35	3432
36	11934
37	21216
38	27846
39	31824
40	33150
41	31824
42	27846
43	21216
44	11934
45	41990
46	75582
47	100776
48	117572
49	125970
50	125970
51	117572
52	100776
53	75582
54	41990

[1, 3, 3, 9, 12, 9, 28, 42, 42, 28, 90, 144, 162, 144, 90, 297, 495, 594, 594, 495, 297, 1001, 1716, 2145, 2288, 2145, 1716, 1001, 3432, 6006, 7722, 8580, 8580, 7722, 6006, 3432, 11934, 21216, 27846, 31824, 33150, 31824, 27846, 21216, 11934, 41990, 75582, 100776, 117572, 125970, 125970, 117572, 100776, 75582, 41990]

cp's OEIS Frontend

A339028 Triangle T(n,m) = 3(m+1)C(n+m+3,m)C(2n+2,n-m)/((n+m+3)*C(n+1,m)).

Table of values

List of values

cp's OEIS Frontend

A339028 Triangle T(n,m) = 3*(m+1)*C(n+m+3,m)*C(2*n+2,n-m)/((n+m+3)*C(n+1,m)).

Table of values

List of values

A339028 Triangle T(n,m) = 3(m+1)C(n+m+3,m)C(2n+2,n-m)/((n+m+3)*C(n+1,m)).