A334550 - cp's OEIS frontend

A334550 Triangle read by rows: T(n,k) is the number of binary matrices with n ones, k columns and no zero rows or columns, up to permutations of rows and columns.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	5
9	5
10	5
11	1
12	5
13	12
14	9
15	7
16	1
17	9
18	23
19	29
20	17
21	11
22	1
23	9
24	39
25	62
26	57
27	28
28	15
29	1
30	14
31	63
32	147
33	154
34	110
35	47
36	22
37	1
38	14
39	102
40	278
41	409
42	329
43	194
44	73
45	30
46	1
47	20
48	150
49	568
50	991
51	1023
52	664
53	335
54	114
55	42
56	1
57	20
58	221
59	1020
60	2334
61	2844
62	2267
63	1243
64	549
65	170
66	56

[1, 1, 2, 1, 2, 3, 1, 5, 5, 5, 1, 5, 12, 9, 7, 1, 9, 23, 29, 17, 11, 1, 9, 39, 62, 57, 28, 15, 1, 14, 63, 147, 154, 110, 47, 22, 1, 14, 102, 278, 409, 329, 194, 73, 30, 1, 20, 150, 568, 991, 1023, 664, 335, 114, 42, 1, 20, 221, 1020, 2334, 2844, 2267, 1243, 549, 170, 56]

cp's OEIS Frontend

A334550 Triangle read by rows: T(n,k) is the number of binary matrices with n ones, k columns and no zero rows or columns, up to permutations of rows and columns.

Table of values

List of values