A186847 - OEIS

%I #5 Mar 31 2012 12:36:06

%S 5182,79778,1371258,22982034,397002882,6898399878,119236307198,

%T 2065646009310,35799060427804,620100415074980,10742761367704694,

%U 186117631339287250,3224333528341874224,55859428401516527490

%N Number of (n+1)X7 binary arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum

%C Column 6 of A186850

%H R. H. Hardin, <a href="/A186847/b186847.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X7

%e ..1..0..0..1..0..0..0....1..1..0..0..0..1..0....0..0..1..1..0..1..1

%e ..1..0..1..0..1..0..1....1..1..1..0..0..0..0....0..1..0..0..0..0..0

%e ..0..0..0..1..1..1..1....1..0..0..1..0..1..0....1..1..0..1..0..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 27 2011