A248998 - OEIS

%I #4 Oct 18 2014 19:45:26

%S 6450,32398,163112,822348,4149708,20952218,105819690,534502810,

%T 2700047696,13640156760,68910290082,348142872600,1758874033678,

%U 8886170481316,44894831402844,226818881138008,1145942126329774

%N Number of length n+4 0..5 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 5 of A249001

%H R. H. Hardin, <a href="/A248998/b248998.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..0....1....0....3....0....0....4....1....4....4....0....3....0....0....0....0

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 18 2014