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Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock summing to 2 3 4 5 6 7 8 9 or 10
1

%I #4 Dec 03 2014 18:39:50

%S 3326498602,173460282721706,9027534432491502252,

%T 469913480156252272754666,24460221909493826465525198486,

%U 1273219961286643613904413767833628,66274496846481126674814895095131607258

%N Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock summing to 2 3 4 5 6 7 8 9 or 10

%C Column 7 of A251524

%H R. H. Hardin, <a href="/A251523/b251523.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 03 2014