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A240791 Number of nX4 0..3 arrays with no element equal to one 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 or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.

%I A240791 #6 Jun 02 2025 09:59:55
%S A240791 7,10,19,37,85,142,386,979,1988,5128,10616,25230,58238,125528,302384,
%T A240791 670325,1520808,3524961,7865967,18151793,41320633,93575521,215154289,
%U A240791 487353355,1112746546,2542170679,5772347607,13196888198,30049864101
%N A240791 Number of nX4 0..3 arrays with no element equal to one 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 or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.
%C A240791 Column 4 of A240792
%H A240791 R. H. Hardin, <a href="/A240791/b240791.txt">Table of n, a(n) for n = 1..210</a>
%e A240791 Some solutions for n=4
%e A240791 ..3..2..3..2....3..2..3..2....3..2..3..2....3..2..3..2....3..2..3..2
%e A240791 ..3..2..3..2....3..2..3..2....3..2..3..2....3..2..1..1....3..2..1..2
%e A240791 ..2..2..0..3....2..0..0..2....2..2..0..2....2..0..2..2....2..0..0..2
%e A240791 ..2..0..2..3....3..3..0..2....2..0..0..2....2..0..0..1....2..0..0..2
%K A240791 nonn
%O A240791 1,1
%A A240791 _R. H. Hardin_, Apr 12 2014