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%I #4 Oct 22 2014 20:43:59
%S 2,395,2258,11177,39066,115437,354572,920337,2088652,4325029,8248606,
%T 14889789,25395692,43971071,72461790,114932123,175804156,261631751,
%U 378607326,536343367,761825382,1059711829,1446131636,1941874063
%N Number of length 2+6 0..n arrays with every seven consecutive terms having four times the sum of some three elements equal to three times the sum of the remaining four
%C Row 2 of A249171
%H R. H. Hardin, <a href="/A249173/b249173.txt">Table of n, a(n) for n = 1..31</a>
%e Some solutions for n=6
%e ..4....1....3....3....2....3....1....4....4....1....2....6....2....4....5....2
%e ..5....4....4....3....4....1....6....4....0....2....2....0....2....6....4....4
%e ..0....0....0....1....3....1....6....2....5....1....1....0....1....1....4....3
%e ..1....3....1....3....6....4....0....1....2....6....3....6....2....0....1....2
%e ..3....4....3....4....1....5....5....4....4....0....0....5....2....6....3....6
%e ..3....0....0....3....5....3....4....4....3....6....6....0....0....1....0....0
%e ..5....2....3....4....0....4....6....2....3....5....0....4....5....3....4....4
%e ..4....1....3....3....2....3....1....4....4....1....2....6....2....4....5....2
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 22 2014