A377007 - cp's OEIS frontend

A377007 Array read by antidiagonals: T(n,k) is the number of inequivalent 2n X 2k binary matrices with all row sums k and column sums n up to permutations of rows and columns.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	1
14	1
15	1
16	1
17	3
18	3
19	1
20	1
21	1
22	1
23	4
24	7
25	4
26	1
27	1
28	1
29	1
30	5
31	19
32	19
33	5
34	1
35	1
36	1
37	1
38	7
39	46
40	194
41	46
42	7
43	1
44	1
45	1
46	1
47	8
48	132
49	3144
50	3144
51	132
52	8
53	1
54	1
55	1
56	1
57	10
58	345
59	65548
60	601055
61	65548
62	345
63	10
64	1
65	1
66	1
67	1
68	12
69	951
70	1272696
71	128665248
72	128665248
73	1272696
74	951
75	12
76	1
77	1

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 3, 1, 1, 1, 1, 4, 7, 4, 1, 1, 1, 1, 5, 19, 19, 5, 1, 1, 1, 1, 7, 46, 194, 46, 7, 1, 1, 1, 1, 8, 132, 3144, 3144, 132, 8, 1, 1, 1, 1, 10, 345, 65548, 601055, 65548, 345, 10, 1, 1, 1, 1, 12, 951, 1272696, 128665248, 128665248, 1272696, 951, 12, 1, 1]

cp's OEIS Frontend

A377007 Array read by antidiagonals: T(n,k) is the number of inequivalent 2n X 2k binary matrices with all row sums k and column sums n up to permutations of rows and columns.

Table of values

List of values

cp's OEIS Frontend

A377007 Array read by antidiagonals: T(n,k) is the number of inequivalent 2*n X 2*k binary matrices with all row sums k and column sums n up to permutations of rows and columns.

Table of values

List of values

A377007 Array read by antidiagonals: T(n,k) is the number of inequivalent 2n X 2k binary matrices with all row sums k and column sums n up to permutations of rows and columns.