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%I #4 Mar 31 2012 12:36:20
%S 0,1,12,572,174202,381175052
%N Number of nXnXn triangular 0..7 arrays with each element equal to at least one neighbor and new values 0..7 introduced in row major order
%e Some solutions for 6X6X6 all containing a 7
%e .......0............0............0............0............0............0
%e ......1.0..........0.1..........1.0..........1.0..........0.1..........1.0
%e .....1.2.0........2.2.1........1.2.3........1.2.3........2.1.3........1.2.3
%e ....0.2.3.3......0.2.3.4......4.4.2.3......0.2.3.4......0.2.3.4......0.2.4.3
%e ...0.4.4.5.6....0.5.6.3.4....0.5.5.6.2....0.5.2.4.6....0.5.5.4.6....0.5.4.6.6
%e ..0.0.7.7.5.6..0.0.5.6.7.7..0.0.7.7.6.2..0.0.5.7.7.6..0.0.7.7.6.6..0.0.5.5.7.7
%K nonn
%O 1,3
%A _R. H. Hardin_ Jul 04 2011
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