%I #3 Sep 20 2012 15:30:39

%S 7,3630,8737047,37112483200,203889639856012,1268055011723293820,

%T 8365565750024647646080,56569600402907949778157548,

%U 384772088547650348500010268365

%N Number of side-n hexagonal 0..6 arrays with values nondecreasing E, SW and SE

%C Column 6 of A216937

%e Some solutions for n=3

%e ......0.0.0..........0.0.0..........0.0.0..........0.0.0..........0.0.0

%e .....0.0.0.0........0.0.0.0........0.0.0.0........0.0.0.0........0.0.0.0

%e ....0.0.2.3.4......0.0.0.2.4......0.0.0.4.5......0.0.3.3.3......0.0.0.1.1

%e .....0.2.5.5........2.2.2.6........0.0.5.5........0.3.4.6........0.0.3.3

%e ......4.5.5..........3.4.6..........6.6.6..........5.5.6..........5.6.6

%K nonn

%O 1,1

%A _R. H. Hardin_ Sep 20 2012