A233889 - OEIS

A233889

Number of (n+1)X(5+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal

%I #4 Dec 17 2013 07:34:16

%S 14272,233468,3580624,64285728,1057449360,19042134996,317752132336,

%T 5699659660192,95672524656808,1710056944521848,28808634496770576,

%U 513494553573001252,8673268580432752592,154254189104019245612

%N Number of (n+1)X(5+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal

%C Column 5 of A233892

%H R. H. Hardin, <a href="/A233889/b233889.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..2..6..5..3..5....0..4..0..1..3..1....0..2..0..3..0..3....3..0..2..3..6..4

%e ..4..1..3..1..4..1....2..1..2..5..6..2....1..5..1..5..4..2....5..1..5..1..2..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 17 2013