A186123 - cp's OEIS frontend

A186123 Number of (n+1)X5 binary arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.

n	a(n)
1	50
2	254
3	946
4	4254
5	17794
6	79782
7	350266
8	1574348
9	7039308
10	31791832
11	143422488
12	649853710
13	2944761666
14	13369773598
15	60719993934
16	276010194872
17	1254976548136
18	5708622661652
19	25972110429080
20	118188673239130
21	537890728864526

[50, 254, 946, 4254, 17794, 79782, 350266, 1574348, 7039308, 31791832, 143422488, 649853710, 2944761666, 13369773598, 60719993934, 276010194872, 1254976548136, 5708622661652, 25972110429080, 118188673239130, 537890728864526]

cp's OEIS Frontend

A186123 Number of (n+1)X5 binary arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.

Table of values

List of values