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A240408 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 zero plus the sum of the elements diagonally to its northwest, modulo 4.

%I A240408 #6 Jun 02 2025 09:55:27
%S A240408 4,32,202,1526,10749,79090,573490,4185321,30488162,222232658,
%T A240408 1619848067,11805053329,86050232733,627116919124,4571009728681,
%U A240408 33313730895602,242812260697701,1769667060944824,12898232020096920,94006154577642335
%N A240408 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 zero plus the sum of the elements diagonally to its northwest, modulo 4.
%C A240408 Column 3 of A240412
%H A240408 R. H. Hardin, <a href="/A240408/b240408.txt">Table of n, a(n) for n = 1..210</a>
%e A240408 Some solutions for n=4
%e A240408 ..3..2..3....2..3..2....2..3..3....2..3..2....3..2..2....2..3..3....3..2..2
%e A240408 ..3..1..3....2..3..2....1..3..1....2..1..0....3..2..0....2..3..2....1..2..0
%e A240408 ..1..2..2....3..0..2....3..0..0....2..0..1....1..0..2....3..1..3....2..0..0
%e A240408 ..2..3..0....2..1..1....2..0..0....1..0..3....1..2..0....3..1..2....2..3..2
%K A240408 nonn
%O A240408 1,1
%A A240408 _R. H. Hardin_, Apr 04 2014