A251380 - OEIS

%I #4 Dec 01 2014 21:51:26

%S 55551652,63575161960,81356563852940,109536506378241540,

%T 151084764887689962372,210879779184193148642264,

%U 296092553702065939395006096,416993826270193677454000618112

%N Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock summing to 5 6 or 7

%C Column 7 of A251381

%H R. H. Hardin, <a href="/A251380/b251380.txt">Table of n, a(n) for n = 1..158</a>

%e Some solutions for n=1

%e ..0..0..2..2..3..2..1..0....0..0..2..0..3..0..1..1....0..0..2..2..2..2..3..2

%e ..3..3..1..0..2..0..3..3....3..3..1..2..1..2..2..1....3..2..1..0..1..2..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 01 2014