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A240270 Number of nX6 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, modulo 4.

%I A240270 #6 Jun 02 2025 09:45:12
%S A240270 132,3263,64721,2059061,40760821,1063706501,27923918285,576407548906,
%T A240270 15326042676144,369518944004863,8336460134026971,218307022801923486,
%U A240270 5056252479593806048,120075470956639787034,3035930439648129383298
%N A240270 Number of nX6 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, modulo 4.
%C A240270 Column 6 of A240271
%H A240270 R. H. Hardin, <a href="/A240270/b240270.txt">Table of n, a(n) for n = 1..18</a>
%e A240270 Some solutions for n=3
%e A240270 ..2..3..2..2..0..0....3..0..2..0..0..0....2..3..0..3..3..0....2..3..2..2..0..3
%e A240270 ..2..1..1..1..2..2....2..3..2..0..0..0....2..1..2..2..2..2....2..1..2..0..0..3
%e A240270 ..2..0..3..3..1..2....3..2..0..2..2..0....3..0..2..3..1..0....3..0..2..0..2..1
%K A240270 nonn
%O A240270 1,1
%A A240270 _R. H. Hardin_, Apr 03 2014