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A240049 Number of 4Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the elements above it or zero 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 A240049 #6 Jun 02 2025 09:39:41
%S A240049 6,22,93,346,1110,5780,17297,57800,202995,643326,2233216,7442776,
%T A240049 25047361,84213282,278643460,939079721,3094143301,10358660848,
%U A240049 34579518631,114236046070,383085583978,1270523789559,4220562761492
%N A240049 Number of 4Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the elements above it or zero 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 A240049 Row 4 of A240046
%H A240049 R. H. Hardin, <a href="/A240049/b240049.txt">Table of n, a(n) for n = 1..166</a>
%e A240049 Some solutions for n=3
%e A240049 ..3..2..2....3..2..2....2..3..3....3..2..3....2..3..3....3..2..2....2..3..3
%e A240049 ..2..0..3....2..0..3....3..1..2....2..1..0....3..1..2....2..0..3....3..1..2
%e A240049 ..2..1..0....2..3..0....3..2..0....3..0..2....2..1..0....2..3..0....3..1..2
%e A240049 ..2..0..0....2..3..0....3..0..0....2..1..0....2..0..3....1..0..0....3..0..2
%K A240049 nonn
%O A240049 1,1
%A A240049 _R. H. Hardin_, Mar 31 2014