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A154088 Number of planar triangular n X n X n nonnegative integer grids symmetric under 120 degree rotation with every similarly oriented 5 X 5 X 5 subtriangle summing to 13. 0

%I #3 Mar 31 2012 12:35:22

%S 0,632,4434,0,5545,25834,0,14701,52378,0,10551

%N Number of planar triangular n X n X n nonnegative integer grids symmetric under 120 degree rotation with every similarly oriented 5 X 5 X 5 subtriangle summing to 13.

%K nonn

%O 5,2

%A _R. H. Hardin_ Jan 04 2009

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Last modified April 18 13:50 EDT 2024. Contains 371780 sequences. (Running on oeis4.)