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%I #4 Mar 31 2012 12:36:24
%S 1,1,3,27,105,1695,284427,11606931
%N Number of triangular nXnXn 0..2 arrays with all rows and diagonals having the same length having the same sum, with corners zero
%C Column 2 of A195805
%e Some solutions for n=5
%e ......0..........0..........0..........0..........0..........0..........0
%e .....1.0........1.0........1.1........1.2........0.0........1.2........2.0
%e ....1.0.1......2.0.2......2.2.2......0.1.0......2.0.2......0.1.0......1.1.1
%e ...0.0.0.1....0.0.0.1....1.2.2.1....2.1.1.1....0.0.0.0....2.1.1.1....0.1.1.2
%e ..0.1.1.0.0..0.1.2.0.0..0.1.2.1.0..0.1.0.2.0..0.0.2.0.0..0.1.0.2.0..0.2.1.0.0
%K nonn
%O 1,3
%A _R. H. Hardin_ Sep 23 2011
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