%I #5 Nov 23 2014 12:34:24
%S 44,2029,258377,104578590,130213746897,517127141610189,
%T 6511299501417969432,263339939500369268477592,
%U 34148064516199884743133965168,14262551337351857744499567104885353
%N Number of (n+1)X(n+1) 0..2 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 Diagonal of A250454
%H R. H. Hardin, <a href="/A250446/b250446.txt">Table of n, a(n) for n = 1..14</a>
%e Some solutions for n=2
%e ..0..0..0....0..2..0....1..0..1....0..1..0....2..1..2....0..0..1....2..0..0
%e ..0..0..1....2..0..0....0..0..0....0..0..0....1..1..2....0..1..0....0..0..0
%e ..1..1..2....0..1..2....0..0..2....1..0..2....2..1..1....1..0..1....2..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 23 2014
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