A305027 - cp's OEIS frontend

A305027 Array read by antidiagonals: T(n,m) is the number of nonisomorphic binary n X m matrices with 3 1's per column under row and column permutations (m >= 3).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	1
12	3
13	3
14	1
15	1
16	1
17	4
18	7
19	5
20	1
21	1
22	1
23	4
24	11
25	17
26	6
27	1
28	1
29	1
30	4
31	14
32	40
33	35
34	9
35	1
36	1
37	1
38	4
39	15
40	62
41	122
42	76
43	11
44	1
45	1
46	1
47	4
48	16
49	78
50	272
51	410
52	149
53	15
54	1
55	1
56	1
57	4
58	16
59	87
60	427
61	1307
62	1270
63	291
64	18
65	1
66	1
67	1
68	4
69	16
70	91
71	544
72	2754
73	6178
74	3888
75	539
76	23
77	1

[1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 3, 1, 1, 1, 4, 7, 5, 1, 1, 1, 4, 11, 17, 6, 1, 1, 1, 4, 14, 40, 35, 9, 1, 1, 1, 4, 15, 62, 122, 76, 11, 1, 1, 1, 4, 16, 78, 272, 410, 149, 15, 1, 1, 1, 4, 16, 87, 427, 1307, 1270, 291, 18, 1, 1, 1, 4, 16, 91, 544, 2754, 6178, 3888, 539, 23, 1]

cp's OEIS Frontend

A305027 Array read by antidiagonals: T(n,m) is the number of nonisomorphic binary n X m matrices with 3 1's per column under row and column permutations (m >= 3).

Table of values

List of values