A376935 - cp's OEIS frontend

A376935 Array read by antidiagonals: T(n,k) is the number of 2n X 2k binary matrices with all row sums k and column sums n.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	6
8	6
9	1
10	1
11	20
12	90
13	20
14	1
15	1
16	70
17	1860
18	1860
19	70
20	1
21	1
22	252
23	44730
24	297200
25	44730
26	252
27	1
28	1
29	924
30	1172556
31	60871300
32	60871300
33	1172556
34	924
35	1
36	1
37	3432
38	32496156
39	14367744720
40	116963796250
41	14367744720
42	32496156
43	3432
44	1
45	1
46	12870
47	936369720
48	3718394156400
49	273957842462220
50	273957842462220
51	3718394156400
52	936369720
53	12870
54	1

[1, 1, 1, 1, 2, 1, 1, 6, 6, 1, 1, 20, 90, 20, 1, 1, 70, 1860, 1860, 70, 1, 1, 252, 44730, 297200, 44730, 252, 1, 1, 924, 1172556, 60871300, 60871300, 1172556, 924, 1, 1, 3432, 32496156, 14367744720, 116963796250, 14367744720, 32496156, 3432, 1, 1, 12870, 936369720, 3718394156400, 273957842462220, 273957842462220, 3718394156400, 936369720, 12870, 1]

cp's OEIS Frontend

A376935 Array read by antidiagonals: T(n,k) is the number of 2n X 2k binary matrices with all row sums k and column sums n.

Table of values

List of values

cp's OEIS Frontend

A376935 Array read by antidiagonals: T(n,k) is the number of 2*n X 2*k binary matrices with all row sums k and column sums n.

Table of values

List of values

A376935 Array read by antidiagonals: T(n,k) is the number of 2n X 2k binary matrices with all row sums k and column sums n.