A235448 - OEIS

%I #4 Jan 10 2014 11:12:17

%S 33544,4219322,519099694,63315473350,7699719982722,935263088301396,

%T 113555975474406500,13785363846787350466,1673407961412976159218,

%U 203131147623014349473962,24657443308255446422188572

%N Number of (n+1)X(7+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise

%C Column 7 of A235449

%H R. H. Hardin, <a href="/A235448/b235448.txt">Table of n, a(n) for n = 1..77</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 10 2014