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A195954 Number of nXnXn 0..6 triangular arrays with each element equal to the number of its neighbors unequal to itself 0

%I #4 Mar 31 2012 12:36:25

%S 1,4,4,6,13,14,38,37,108,563,3086,5837

%N Number of nXnXn 0..6 triangular arrays with each element equal to the number of its neighbors unequal to itself

%e Some solutions for n=10

%e ...........2....................2....................2

%e ..........3.4..................3.3..................3.3

%e .........3.6.2................4.6.2................4.6.2

%e ........2.2.2.2..............2.2.2.2..............2.2.2.2

%e .......4.2.2.6.3............3.2.2.5.4............3.2.2.5.3

%e ......3.5.2.4.4.3..........3.6.2.5.6.2..........3.5.2.5.4.3

%e .....3.5.2.2.4.6.2........2.2.2.2.2.2.2........2.5.2.2.4.4.2

%e ....2.2.2.2.2.2.2.2......3.2.2.5.2.2.5.4......2.2.2.2.2.2.2.2

%e ...3.2.2.5.5.2.2.6.4....3.6.2.5.6.2.5.6.3....3.6.2.5.5.2.2.6.4

%e ..2.3.2.3.3.4.2.3.3.2..2.4.2.2.4.2.2.4.3.2..2.3.2.2.3.3.2.3.3.2

%K nonn

%O 1,2

%A _R. H. Hardin_ Sep 25 2011

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