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Number of 5Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4
1

%I #4 Mar 23 2014 07:07:20

%S 50,2874,158728,8634040,471203608,25594620082,1393740949524,

%T 75771817108924,4123656581299810,224277326338407636,

%U 12202934653709078564,663797011286508892758,36113966969053403996390,1964591618175666103412114

%N Number of 5Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4

%C Row 5 of A239649

%H R. H. Hardin, <a href="/A239653/b239653.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 23 2014