%I #4 Mar 31 2012 12:36:31
%S 1,2,20,144,3897,177020,16432206,3384968739,1417057661680
%N Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,3,2,1,0,0,1 for x=0,1,2,3,4,5,6
%C Every 0 is next to 0 6's, every 1 is next to 1 3's, every 2 is next to 2 2's, every 3 is next to 3 1's, every 4 is next to 4 0's, every 5 is next to 5 0's, every 6 is next to 6 1's
%e Some solutions with all values from 0 to 6 for 7X7X7
%e ........2..............0..............0..............0..............0
%e .......2.2............0.0............0.0............0.0............3.1
%e ......0.1.3..........0.5.0..........0.5.0..........0.5.0..........1.1.0
%e .....4.0.1.1........1.3.0.4........1.3.0.4........4.0.3.1........1.6.1.1
%e ....0.0.1.6.1......0.1.1.0.0......0.1.1.0.0......0.0.1.1.0......3.1.1.3.0
%e ...0.5.3.1.1.3....0.1.6.1.1.2....1.1.6.1.1.2....2.1.1.6.1.0....2.1.0.0.5.0
%e ..0.0.0.1.0.1.0..1.3.1.1.3.2.2..0.3.1.1.3.2.2..2.2.3.1.1.3.1..2.2.0.4.0.0.0
%K nonn
%O 1,2
%A _R. H. Hardin_ Oct 20 2011
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