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%I #4 Sep 02 2014 08:14:14
%S 9368,47432,241544,1231304,6272072,31944440,162700376,828690200,
%T 4220813912,21498069128,109497066248,557706305672,2840590647176,
%U 14468108341688,73691067738968,375334033262552,1911705731599640
%N Number of length n+4 0..7 arrays with no pair in any consecutive five terms totalling exactly 7
%C Column 7 of A246737
%H R. H. Hardin, <a href="/A246736/b246736.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 4*a(n-1) +4*a(n-2) +4*a(n-3) +18*a(n-4) +12*a(n-5) -4*a(n-7) -a(n-8)
%e Some solutions for n=2
%e ..5....2....5....3....5....6....4....2....0....4....0....2....1....3....4....2
%e ..0....7....0....2....7....6....1....0....5....0....4....1....0....3....6....2
%e ..0....1....6....1....4....5....5....0....3....4....0....0....1....3....2....4
%e ..1....1....3....7....4....6....1....2....1....6....6....0....5....0....4....6
%e ..1....3....0....3....6....7....5....4....3....2....4....1....5....0....0....7
%e ..3....1....3....3....7....4....0....4....5....0....2....1....3....2....0....2
%K nonn
%O 1,1
%A _R. H. Hardin_, Sep 02 2014
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