%I #4 Oct 23 2014 08:07:00
%S 126,1792,14126,66948,240870,708106,1809164,4132884,8660148,16906050,
%T 31160178,54655272,92036364,149466688,235339342,360504886,539097832,
%U 788739364,1132032790,1596244230,2215426766,3030421562,4090720256
%N Number of length 1+6 0..n arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four
%C Row 1 of A249197
%H R. H. Hardin, <a href="/A249198/b249198.txt">Table of n, a(n) for n = 1..39</a>
%e Some solutions for n=4
%e ..4....1....1....2....0....1....4....4....4....1....4....2....4....3....0....4
%e ..1....3....2....4....3....0....1....1....4....3....3....1....3....1....1....4
%e ..0....2....1....3....2....3....2....1....2....1....3....3....1....0....3....4
%e ..2....1....0....3....0....3....4....4....4....1....0....1....1....2....0....4
%e ..3....2....3....0....2....1....3....0....0....1....1....2....2....1....0....0
%e ..1....0....2....0....2....2....4....4....2....3....0....0....1....4....4....2
%e ..4....3....4....3....4....0....1....3....2....3....1....0....1....0....2....0
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 23 2014
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