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%I #5 Dec 18 2015 18:17:40
%S 0,1,5,137,17687,14219516,57958907734,1047298813289261,
%T 73037304771376915268
%N Number of n X n symmetric 0..5 arrays with each element equal to at least one horizontal or vertical neighbor and any new values 0..5 introduced in lower triangular row major order
%e Some solutions for 6X6 containing a 5
%e ..0..0..0..2..3..5....0..0..1..1..4..4....0..0..0..1..2..4....0..0..1..1..4..4
%e ..0..0..0..2..3..5....0..0..0..2..2..4....0..0..0..1..2..4....0..0..0..0..0..5
%e ..0..0..1..1..1..3....1..0..0..3..3..3....0..0..0..1..3..4....1..0..0..2..2..5
%e ..2..2..1..1..1..3....1..2..3..0..0..0....1..1..1..1..3..4....1..0..2..3..3..2
%e ..3..3..1..1..4..4....4..2..3..0..5..5....2..2..3..3..3..5....4..0..2..3..2..2
%e ..5..5..3..3..4..4....4..4..3..0..5..5....4..4..4..4..5..5....4..5..5..2..2..2
%K nonn
%O 1,3
%A _R. H. Hardin_ Jul 06 2011
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