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Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11
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%I #4 Dec 21 2013 09:27:44

%S 5344,38424,257116,2047712,14743812,128575264,972664988,9139171016,

%T 71474160448,709190594872,5662773767964,58270172020312,

%U 471035924576320,4959748822197500,40377695201267784,431210014799887324

%N Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11

%C Column 4 of A234217

%H R. H. Hardin, <a href="/A234213/b234213.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..3..3..4..3..2....1..2..0..2..0....4..2..1..2..0....0..2..0..1..1

%e ..1..2..4..2..4....3..1..0..1..0....2..3..3..1..0....2..1..0..2..3

%e ..3..3..2..3..4....3..2..2..2..2....4..2..1..2..2....0..2..0..1..3

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 21 2013