A331461 - cp's OEIS frontend

A331461 Array read by antidiagonals: A(n,k) is the number of nonequivalent binary matrices with k columns and any number of nonzero rows with n ones in every column up to permutation of rows and columns.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	3
12	3
13	1
14	1
15	1
16	5
17	8
18	4
19	1
20	1
21	1
22	7
23	23
24	16
25	5
26	1
27	1
28	1
29	11
30	66
31	93
32	30
33	6
34	1
35	1
36	1
37	15
38	212
39	652
40	332
41	50
42	7
43	1
44	1
45	1
46	22
47	686
48	6369
49	6414
50	1062
51	80
52	8
53	1
54	1
55	1
56	30
57	2389
58	79568
59	226041
60	56712
61	3117
62	120
63	9
64	1
65	1
66	1
67	42
68	8682
69	1256425
70	12848128
71	7295812
72	441881
73	8399
74	175
75	10
76	1
77	1

[1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 3, 1, 1, 1, 5, 8, 4, 1, 1, 1, 7, 23, 16, 5, 1, 1, 1, 11, 66, 93, 30, 6, 1, 1, 1, 15, 212, 652, 332, 50, 7, 1, 1, 1, 22, 686, 6369, 6414, 1062, 80, 8, 1, 1, 1, 30, 2389, 79568, 226041, 56712, 3117, 120, 9, 1, 1, 1, 42, 8682, 1256425, 12848128, 7295812, 441881, 8399, 175, 10, 1, 1]

cp's OEIS Frontend

A331461 Array read by antidiagonals: A(n,k) is the number of nonequivalent binary matrices with k columns and any number of nonzero rows with n ones in every column up to permutation of rows and columns.

Table of values

List of values