login
Number of (n+2)X(4+2) 0..1 arrays with the (lower) median of each row and column nondecreasing
0

%I #3 Feb 12 2014 07:38:49

%S 18284,1707200,38387146,3285354224,78198241984,6351885785786,

%T 159454491881910,12257643095551296,324543596662080056,

%U 23554682313370524986,655528709648047016880,45012991304051860794072

%N Number of (n+2)X(4+2) 0..1 arrays with the (lower) median of each row and column nondecreasing

%C Column 4 of A237738

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 12 2014