A248999 - OEIS

%I #4 Oct 18 2014 19:46:08

%S 13990,82348,485580,2865126,16909524,99817384,589354152,3479916010,

%T 20548067494,121333048614,716461085260,4230692840640,24982283288368,

%U 147520857046232,871114227605828,5143954672207112,30375223032465730

%N Number of length n+4 0..6 arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two

%C Column 6 of A249001

%H R. H. Hardin, <a href="/A248999/b248999.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..5....1....0....5....3....6....1....6....4....5....4....6....6....0....5....5

%e ..3....6....6....3....5....5....5....4....0....4....6....3....5....3....3....0

%e ..1....6....4....6....3....1....4....3....1....5....5....1....1....5....0....2

%e ..4....0....5....1....3....3....5....0....1....0....5....2....0....1....2....0

%e ..1....5....6....2....5....3....3....3....5....4....1....2....5....2....5....3

%e ..3....0....3....1....6....0....1....6....0....3....4....1....0....2....3....4

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 18 2014