A184540 - cp's OEIS frontend

A184540 Number of (n+2) X 3 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.

n	a(n)
1	45
2	89
3	147
4	220
5	309
6	415
7	539
8	682
9	845
10	1029
11	1235
12	1464
13	1717
14	1995
15	2299
16	2630
17	2989
18	3377
19	3795
20	4244
21	4725
22	5239
23	5787
24	6370
25	6989
26	7645
27	8339
28	9072
29	9845
30	10659
31	11515
32	12414
33	13357
34	14345
35	15379
36	16460
37	17589
38	18767
39	19995
40	21274
41	22605
42	23989

[45, 89, 147, 220, 309, 415, 539, 682, 845, 1029, 1235, 1464, 1717, 1995, 2299, 2630, 2989, 3377, 3795, 4244, 4725, 5239, 5787, 6370, 6989, 7645, 8339, 9072, 9845, 10659, 11515, 12414, 13357, 14345, 15379, 16460, 17589, 18767, 19995, 21274, 22605, 23989]

cp's OEIS Frontend

A184540 Number of (n+2) X 3 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

List of values