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A240281 Number of n X 4 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.

%I A240281 #6 Apr 25 2023 14:42:23
%S A240281 4,76,570,3457,33183,218658,1851080,15760838,110599613,945852472,
%T A240281 7409236730,55988117579,467427537182,3584402597875,28182066532013,
%U A240281 228525081390122,1759513489969607,14047642078491638,111675119083235178
%N A240281 Number of n X 4 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.
%C A240281 Column 4 of A240284.
%H A240281 R. H. Hardin, <a href="/A240281/b240281.txt">Table of n, a(n) for n = 1..210</a>
%e A240281 Some solutions for n=4
%e A240281 ..3..1..3..1....3..3..1..1....3..1..3..3....3..1..3..1....3..1..3..1
%e A240281 ..2..0..2..0....2..2..2..2....2..0..2..2....2..0..0..0....3..2..0..0
%e A240281 ..2..0..0..2....2..0..2..2....2..0..0..2....2..0..0..0....2..0..2..2
%e A240281 ..2..1..1..2....2..0..0..0....2..0..0..0....2..0..0..2....3..3..2..0
%Y A240281 Cf. A240284.
%K A240281 nonn
%O A240281 1,1
%A A240281 _R. H. Hardin_, Apr 03 2014