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A197932 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,4,2,2,1,0,2 for x=0,1,2,3,4,5,6 0

%I #4 Mar 31 2012 12:36:31

%S 1,2,8,27,375,3957,98265,4450117,311193258,39198288628

%N Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,4,2,2,1,0,2 for x=0,1,2,3,4,5,6

%C Every 0 is next to 0 4's, every 1 is next to 1 4's, every 2 is next to 2 2's, every 3 is next to 3 2's, every 4 is next to 4 1's, every 5 is next to 5 0's, every 6 is next to 6 2's

%e Some solutions with all values from 0 to 6 for 7X7X7

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

%e .......0.0............1.4............0.0............4.1............2.0

%e ......0.5.0..........0.1.1..........0.5.0..........1.1.0..........2.2.1

%e .....0.0.2.2........0.0.0.0........0.0.1.1........0.0.5.0........3.3.4.1

%e ....2.2.1.2.3......0.5.0.2.2......2.2.1.4.1......2.2.0.0.0......2.2.1.1.0

%e ...2.6.2.4.1.2....0.2.0.2.6.2....2.6.2.3.2.0....2.6.2.0.2.0....2.6.2.0.5.0

%e ..0.2.2.1.1.2.2..0.2.2.3.2.2.0..0.2.2.3.2.2.0..0.2.2.3.2.2.0..0.2.2.0.0.0.0

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 19 2011

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)