A250840 - OEIS

%I #4 Nov 27 2014 20:56:44

%S 2675635,1205380713,553718971855,256366497513917,118947843549835731,

%T 55226227713562079429,25646762400407469919163,

%U 11911174342202938398470089,5532081145536472032108574239,2569368807013663085048218187385

%N Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having a diagonal absolute difference less than its antidiagonal absolute difference

%C Column 7 of A250841

%H R. H. Hardin, <a href="/A250840/b250840.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..0..2..1..0..0..0..2....0..0..2..2..0..0..1..1....0..0..0..0..2..1..1..2

%e ..0..0..2..0..0..2..2..1....0..2..0..0..2..2..1..2....0..0..1..2..0..1..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 27 2014