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%I #4 Oct 23 2014 08:07:46
%S 250,4586,49730,290032,1249890,4264120,12523980,32265528,75291612,
%T 161899248,326111182,620196140,1126624828,1965081086,3308353438,
%U 5396340806,8563365532,13250164542,20059918926,29755741666,43364729550
%N Number of length 2+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 2 of A249197
%H R. H. Hardin, <a href="/A249199/b249199.txt">Table of n, a(n) for n = 1..24</a>
%e Some solutions for n=3
%e ..0....1....1....3....3....3....2....2....3....1....3....2....0....2....2....1
%e ..1....2....3....2....3....1....0....0....0....1....2....1....3....2....2....3
%e ..3....1....2....1....3....2....1....0....3....2....2....0....2....0....0....0
%e ..3....2....3....0....3....1....1....2....0....2....2....3....0....1....3....3
%e ..0....0....2....1....2....3....2....0....1....0....3....1....0....0....0....0
%e ..2....1....0....3....0....3....3....3....2....0....2....2....0....1....3....1
%e ..3....3....0....2....2....2....3....1....1....3....1....1....1....0....1....0
%e ..1....2....1....0....2....1....1....2....2....0....3....2....2....1....2....3
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 23 2014
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