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A239595 Number of nX3 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.

%I A239595 #6 Jun 02 2025 09:29:10
%S A239595 10,15,31,82,177,458,1071,2150,5209,11204,24273,58130,123647,278779,
%T A239595 634283,1360984,3103558,6892041,15084730,34250268,75240998,167095718,
%U A239595 375589317,825397281,1846103269,4114306092,9085354958,20337008173
%N A239595 Number of nX3 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.
%C A239595 Column 3 of A239599
%H A239595 R. H. Hardin, <a href="/A239595/b239595.txt">Table of n, a(n) for n = 1..210</a>
%e A239595 Some solutions for n=4
%e A239595 ..3..0..0....3..2..3....3..2..2....2..0..0....3..0..0....2..0..0....2..3..2
%e A239595 ..2..3..0....2..1..2....2..1..2....2..0..3....2..3..2....2..0..0....2..1..2
%e A239595 ..3..2..2....3..1..3....3..1..3....3..2..2....3..2..0....3..2..2....3..2..2
%e A239595 ..2..1..0....3..2..3....2..3..2....3..2..0....2..3..2....2..1..2....3..1..2
%K A239595 nonn
%O A239595 1,1
%A A239595 _R. H. Hardin_, Mar 22 2014