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%I #4 Oct 23 2014 21:15:52
%S 2,395,2048,10673,37442,108563,393882,1140003,2763524,6079977,
%T 11916130,22210135,38245710,69790045,117575504,192194985,296733696,
%U 448600639,650294632,929076457,1333117720,1887163485,2588378000,3513900317
%N Number of length 3+6 0..n arrays with every seven consecutive terms having five times the sum of some two elements equal to two times the sum of the remaining five
%C Row 3 of A249255
%H R. H. Hardin, <a href="/A249258/b249258.txt">Table of n, a(n) for n = 1..30</a>
%e Some solutions for n=6
%e ..0....4....6....5....4....1....5....1....5....4....3....0....0....6....4....3
%e ..0....4....4....1....6....1....5....5....4....3....5....5....1....4....2....2
%e ..5....1....3....2....0....6....0....1....5....0....5....3....1....0....2....4
%e ..1....1....2....3....0....2....3....2....2....0....6....5....3....6....5....0
%e ..4....3....5....4....0....1....2....5....2....0....0....1....3....1....3....4
%e ..5....3....1....0....0....0....5....4....1....5....6....2....1....0....2....6
%e ..6....5....0....6....4....3....1....3....2....2....3....5....5....4....3....2
%e ..0....4....6....5....4....1....5....1....5....4....3....0....0....6....4....3
%e ..0....4....4....1....6....1....5....5....4....3....5....5....1....4....2....2
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 23 2014