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A250674 Number of (n+1)X(6+1) 0..3 arrays with nondecreasing 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.

%I A250674 #6 Jul 23 2025 12:40:23
%S A250674 637948,16949262,345255872,5726252240,81461365899,1009432228498,
%T A250674 11161659240791,111900180498102,1030597712205895,8812068752088130,
%U A250674 70559356373093922,532907016216005428,3819559062732066364
%N A250674 Number of (n+1)X(6+1) 0..3 arrays with nondecreasing 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 A250674 Column 6 of A250676
%H A250674 R. H. Hardin, <a href="/A250674/b250674.txt">Table of n, a(n) for n = 1..77</a>
%e A250674 Some solutions for n=1
%e A250674 ..0..2..2..2..2..0..1....0..3..0..0..3..0..3....0..1..0..1..2..1..2
%e A250674 ..0..2..2..3..3..1..3....0..3..2..3..0..3..0....0..1..1..0..3..3..0
%K A250674 nonn
%O A250674 1,1
%A A250674 _R. H. Hardin_, Nov 26 2014