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%I #3 Apr 25 2012 06:56:26
%S 0,0,15,3341,1822850,210401656,8415359939,174254333738
%N Number of triangular nXnXn arrays colored with integers 0 upwards introduced in row major order, with no element equal to any neighbor, and containing the value n(n+1)/2-6
%C Column 5 of A211904
%e Some solutions for n=4
%e .....0........0........0........0........0........0........0........0
%e ....1.2......1.2......1.2......1.2......1.2......1.2......1.2......1.2
%e ...3.4.1....3.4.5....2.3.4....3.4.1....3.4.3....0.3.4....2.3.4....3.4.0
%e ..0.2.0.3..2.6.0.6..1.5.2.5..0.5.2.4..0.1.5.0..4.1.5.2..3.5.2.1..0.5.3.5
%K nonn
%O 1,3
%A _R. H. Hardin_ Apr 25 2012