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A240405 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.

%I A240405 #6 Jun 02 2025 09:55:07
%S A240405 10,182,5566,98837,3366314,80283637,1935005419,62076655091,
%T A240405 1450984782112,37906848226235,1081004222746562,25964332544993478,
%U A240405 717853781860370092,19141131451457166560,479535244327439253477,13234379418730869182392
%N A240405 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.
%C A240405 Column 6 of A240406
%H A240405 R. H. Hardin, <a href="/A240405/b240405.txt">Table of n, a(n) for n = 1..18</a>
%e A240405 Some solutions for n=4
%e A240405 ..2..1..2..1..1..2....2..1..1..2..1..2....2..1..1..2..2..2....2..1..2..1..2..2
%e A240405 ..3..3..0..1..2..0....2..1..3..0..1..2....3..3..2..2..0..0....3..1..2..1..2..0
%e A240405 ..2..0..0..2..0..0....2..0..0..2..2..1....2..1..3..2..2..0....2..0..0..0..2..0
%e A240405 ..3..1..0..2..0..0....2..0..1..2..0..1....3..1..2..2..0..0....3..3..0..0..2..2
%K A240405 nonn
%O A240405 1,1
%A A240405 _R. H. Hardin_, Apr 04 2014