%I #6 Mar 31 2012 12:37:14
%S 16,256,420,1866,7500,27762,106110,413526,1583234,6065840,23380612,
%T 89904320,345225042,1327292244,5103379268,19613888918,75392090306,
%U 289821707064,1114041030214,4282214237068,16460713051026,63274053473750
%N Number of nX5 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal
%C Column 5 of A206987
%H R. H. Hardin, <a href="/A206984/b206984.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 5*a(n-1) -7*a(n-2) +17*a(n-3) -27*a(n-4) +2*a(n-5) +47*a(n-6) -201*a(n-7) -179*a(n-8) +23*a(n-9) +255*a(n-10) -331*a(n-11) -206*a(n-12) +691*a(n-13) +704*a(n-14) -353*a(n-15) -775*a(n-16) +88*a(n-17) -15*a(n-18) +86*a(n-19) -192*a(n-20) +15*a(n-21) +64*a(n-22) +40*a(n-23) +8*a(n-24) -10*a(n-25) for n>27
%e Some solutions for n=4
%e ..0..0..1..1..1....1..1..1..0..0....0..0..0..1..1....0..0..1..1..0
%e ..1..1..1..1..0....1..1..0..0..0....1..0..0..0..0....1..1..1..1..0
%e ..1..1..1..1..0....1..1..0..0..0....1..0..0..0..0....1..1..1..1..0
%e ..1..1..1..0..0....1..0..0..0..0....1..0..0..1..1....0..1..1..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 14 2012