A006380 - cp's OEIS frontend

A006380 Number of equivalence classes of 4 X n binary matrices when one can permute rows, permute columns and complement columns.

n	a(n)
0	1
1	3
2	8
3	19
4	41
5	81
6	153
7	273
8	468
9	774
10	1240
11	1930
12	2933
13	4356
14	6341
15	9064
16	12743
17	17643
18	24093
19	32479
20	43270
21	57019
22	74377
23	96103
24	123089
25	156354
26	197081
27	246622
28	306519
29	378520
30	464614
31	567028
32	688276
33	831169
34	998845
35	1194793
36	1422899
37	1687447
38	1993182

[1, 3, 8, 19, 41, 81, 153, 273, 468, 774, 1240, 1930, 2933, 4356, 6341, 9064, 12743, 17643, 24093, 32479, 43270, 57019, 74377, 96103, 123089, 156354, 197081, 246622, 306519, 378520, 464614, 567028, 688276, 831169, 998845, 1194793, 1422899, 1687447, 1993182]

cp's OEIS Frontend

A006380 Number of equivalence classes of 4 X n binary matrices when one can permute rows, permute columns and complement columns.

Table of values

List of values