A186795 - OEIS

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

%S 417653681,355292192013,300656729278809,254759386224257430,

%T 215829354195761109113,182857140437300684443157,

%U 154921287528965130422293553,131253399322834546449506492207

%N Half the number of (n+2)X10 binary arrays with each 3X3 subblock having a sum in 2..7

%C Column 8 of A186796

%H R. H. Hardin, <a href="/A186795/b186795.txt">Table of n, a(n) for n = 1..11</a>

%e Some solutions for 4X10 with a(1,1)=0

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 26 2011