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Number of nX5 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
1

%I #4 Nov 08 2016 12:27:50

%S 0,960,98410,13597418,1772657688,233160226732,30622716754158,

%T 4022851892753872,528455116917488310,69420023062049923456,

%U 9119289156599877064060,1197946120890187979210064

%N Number of nX5 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.

%C Column 5 of A278014.

%H R. H. Hardin, <a href="/A278011/b278011.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A278014.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 08 2016