A131635 - cp's OEIS frontend

A131635 Triangle T(n,m)=mnbinomial(m+n,m)^2/(2*(m+n)) read by rows.

n	a(n)
1	1
2	3
3	18
4	6
5	60
6	300
7	10
8	150
9	1050
10	4900
11	15
12	315
13	2940
14	17640
15	79380
16	21
17	588
18	7056
19	52920
20	291060
21	1280664
22	28
23	1008
24	15120
25	138600
26	914760
27	4756752
28	20612592
29	36
30	1620
31	29700
32	326700
33	2548260
34	15459444
35	77297220
36	331273800
37	45
38	2475
39	54450

[1, 3, 18, 6, 60, 300, 10, 150, 1050, 4900, 15, 315, 2940, 17640, 79380, 21, 588, 7056, 52920, 291060, 1280664, 28, 1008, 15120, 138600, 914760, 4756752, 20612592, 36, 1620, 29700, 326700, 2548260, 15459444, 77297220, 331273800, 45, 2475, 54450]

cp's OEIS Frontend

A131635 Triangle T(n,m)=mnbinomial(m+n,m)^2/(2*(m+n)) read by rows.

Table of values

List of values

cp's OEIS Frontend

A131635 Triangle T(n,m)=m*n*binomial(m+n,m)^2/(2*(m+n)) read by rows.

Table of values

List of values

A131635 Triangle T(n,m)=mnbinomial(m+n,m)^2/(2*(m+n)) read by rows.