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%I #4 Nov 29 2014 17:34:20
%S 521227,12029009,179902335,2247957615,23202398270,213854374926,
%T 1771290770332,13582904844169,97231303353077,659109917578927,
%U 4259413182294584,26453650627085468,158675945423164524
%N Number of (6+1)X(n+1) 0..3 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction
%C Row 6 of A251037
%H R. H. Hardin, <a href="/A251043/b251043.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..0..0....0..1....0..1....0..1....0..0....0..1....0..0....0..1....0..0....0..1
%e ..0..0....0..2....0..2....0..0....0..2....0..3....0..2....0..1....0..3....0..0
%e ..0..3....0..3....0..0....0..3....0..3....0..3....0..1....0..2....1..1....0..0
%e ..0..3....1..1....0..3....0..3....3..0....0..0....1..0....0..2....2..2....0..1
%e ..3..0....1..2....1..0....0..2....0..3....0..3....0..3....2..0....2..3....0..2
%e ..3..0....1..2....0..3....0..3....2..1....0..0....2..0....2..1....2..3....0..0
%e ..0..3....1..1....2..1....1..1....2..1....0..2....3..1....2..2....2..3....2..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 29 2014
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