A216934 - OEIS

%I #3 Sep 20 2012 15:30:19

%S 6,1572,1374208,1783839948,2711219461532,4389382785819252,

%T 7251826449700700016,11974982327518714139584,

%U 19562098569257627523741964,31456058103183393532138318824

%N Number of side-n hexagonal 0..5 arrays with values nondecreasing E, SW and SE

%C Column 5 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........0.0.0.3........0.0.0.1........0.0.0.1........0.0.0.3

%e ....0.0.1.1.2......0.0.2.3.3......0.0.0.1.4......0.1.2.2.3......0.1.1.4.5

%e .....0.2.4.5........3.3.3.5........1.1.3.5........3.3.3.3........1.3.4.5

%e ......2.5.5..........4.5.5..........1.4.5..........3.4.4..........3.4.5

%K nonn

%O 1,1

%A _R. H. Hardin_ Sep 20 2012