A186120 - cp's OEIS frontend

A186120 Number of (n+1) X 2 binary arrays with every 2 X 2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2 X 2 subblock diagonal sum less antidiagonal sum.

n	a(n)
1	0
2	14
3	18
4	50
5	74
6	182
7	298
8	678
9	1186
10	2566
11	4690
12	9830
13	18498
14	38006
15	72914
16	147974
17	287554
18	579222
19	1135282
20	2276710
21	4488226
22	8978102
23	17768850
24	35496326
25	70442882
26	140631254
27	279616498
28	558094758
29	1111168738
30	2217823222
31	4420075090

[0, 14, 18, 50, 74, 182, 298, 678, 1186, 2566, 4690, 9830, 18498, 38006, 72914, 147974, 287554, 579222, 1135282, 2276710, 4488226, 8978102, 17768850, 35496326, 70442882, 140631254, 279616498, 558094758, 1111168738, 2217823222, 4420075090]

cp's OEIS Frontend

A186120 Number of (n+1) X 2 binary arrays with every 2 X 2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2 X 2 subblock diagonal sum less antidiagonal sum.

Table of values

List of values