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Number of 5Xn 0..3 arrays with every element plus 1 mod 4 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 14 2016 22:34:58

%S 0,1532,347116,91270219,23124026160,5858713218010,1482450100931615,

%T 375049865320978231,94879541460515598902,24002203229663363493985,

%U 6071950545418789283104046,1536048854453696521513657702

%N Number of 5Xn 0..3 arrays with every element plus 1 mod 4 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 Row 5 of A278188.

%H R. H. Hardin, <a href="/A278192/b278192.txt">Table of n, a(n) for n = 1..126</a>

%e Some solutions for n=2

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

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

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

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

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

%Y Cf. A278188.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 14 2016