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%I #4 Mar 04 2013 06:52:09
%S 20,7546,6363724,5989744766,4906560167364,4777709698876890,
%T 4001484076145095954,4007703500495273447052,3396887706615718195456805,
%U 3458279283218841589487839312,2953874525277026876992243827814
%N Number of nX5 0..3 arrays with exactly floor(nX5/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order
%C Column 5 of A222747
%H R. H. Hardin, <a href="/A222744/b222744.txt">Table of n, a(n) for n = 1..51</a>
%e Some solutions for n=3
%e ..0..0..0..1..2....0..0..0..0..1....0..0..0..1..2....0..0..0..0..1
%e ..0..1..3..0..1....1..0..2..3..3....1..1..0..3..0....1..2..2..0..3
%e ..3..1..2..2..2....3..0..1..2..1....3..3..2..1..2....0..2..3..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 04 2013