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Number of (n+1)X(6+1) 0..3 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction
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%I #4 Nov 24 2014 18:33:51

%S 1555689,480626844,117638074883,28601087487209,6541261035659334,

%T 1474875409555370274,323113599535682557884,70426734930413990644347,

%U 15166789970654676217014317,3264846017918987982463733292

%N Number of (n+1)X(6+1) 0..3 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction

%C Column 6 of A250519

%H R. H. Hardin, <a href="/A250517/b250517.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..0..0..0..0..0..1....0..0..0..0..0..0..0....0..0..0..0..0..0..2

%e ..1..1..1..0..1..0..1....1..0..2..2..0..3..2....1..2..0..2..2..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 24 2014