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A195803 Number of triangular nXnXn 0..6 arrays with all rows and diagonals having the same length having the same sum, with corners zero 0

%I #4 Mar 31 2012 12:36:24

%S 1,1,7,343,12469,5828215

%N Number of triangular nXnXn 0..6 arrays with all rows and diagonals having the same length having the same sum, with corners zero

%C Column 6 of A195805

%e Some solutions for n=5

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

%e .....3.6........4.1........2.5........1.6........0.5........0.6........1.2

%e ....1.4.0......3.5.1......5.0.3......1.4.0......1.1.1......2.2.2......0.2.0

%e ...6.2.3.4....0.4.6.5....3.2.4.2....6.2.3.2....5.1.1.0....6.2.2.0....2.2.2.1

%e ..0.3.2.5.0..0.5.2.0.0..0.4.1.5.0..0.1.2.5.0..0.0.1.5.0..0.0.2.6.0..0.1.0.2.0

%K nonn

%O 1,3

%A _R. H. Hardin_ Sep 23 2011

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