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%I #5 Dec 18 2015 18:17:42
%S 0,0,1,4542,14738163,133285442691,4508743067686948,
%T 622715995190475951953,359265265609409060043111601,
%U 869862398667109067205080837833962
%N Number of n X n symmetric 0..5 arrays with no element equal to any horizontal or vertical neighbor, containing at least one 5 and with new values 0..5 introduced in lower triangular row major order
%e Some solutions for 4X4
%e ..0..1..3..1....0..1..3..5....0..1..3..5....0..1..0..4....0..1..3..2
%e ..1..2..4..2....1..2..4..3....1..2..0..2....1..2..3..0....1..2..4..5
%e ..3..4..3..4....3..4..0..4....3..0..4..3....0..3..4..3....3..4..1..4
%e ..1..2..4..5....5..3..4..1....5..2..3..1....4..0..3..5....2..5..4..1
%K nonn
%O 1,4
%A _R. H. Hardin_ Jul 22 2011
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