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A195899
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Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,0,1,0,0,0,0 for x=0,1,2,3,4,5,6
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2
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%I #19 Mar 31 2012 12:36:25
%S 1,4,16,138,2361,68954,3847840,397723933,77013373733,27852983681710,
%T 18823781848131319
%N Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,0,1,0,0,0,0 for x=0,1,2,3,4,5,6
%C Every 0 is next to 0 2's, every 1 is next to 1 0's, every 2 is next to 2 1's, every 3 is next to 3 0's, every 4 is next to 4 0's, every 5 is next to 5 0's, every 6 is next to 6 0's
%e Some solutions with all values from 0 to 6 for 6X6X6
%e .......0............0............0............2............0............2
%e ......0.0..........0.0..........0.0..........1.1..........0.0..........1.1
%e .....0.6.0........0.6.0........0.6.0........0.3.0........0.5.3........0.4.0
%e ....0.0.0.4......3.0.0.0......0.0.0.0......0.0.5.0......0.0.0.0......0.0.0.3
%e ...1.3.5.0.0....0.5.0.4.1....3.5.0.4.1....0.6.0.0.0....0.6.0.4.1....0.6.0.5.0
%e ..2.1.0.0.0.0..0.0.0.0.1.2..0.0.0.0.1.2..0.0.0.4.0.0..0.0.0.0.1.2..0.0.0.0.0.0
%K nonn
%O 1,2
%A _R. H. Hardin_ Oct 17 2011
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