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Number of length 5+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two
1

%I #4 Oct 18 2014 19:33:58

%S 2,53,204,585,3014,12937,32094,70037,123076,245471,426828,726053,

%T 1117244,1682603,2516548,3710543,5180912,7091467,9311842,12467375,

%U 16165280,20786881,26043958,32368635,39971764,49206501,59436930,71456833,84599994

%N Number of length 5+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two

%C Row 5 of A248987

%H R. H. Hardin, <a href="/A248992/b248992.txt">Table of n, a(n) for n = 1..97</a>

%e Some solutions for n=6

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 18 2014