login
Number of length 5+4 0..n arrays with no five consecutive terms having four times any element equal to the sum of the remaining four
1

%I #4 Oct 29 2014 17:25:55

%S 416,6872,119932,884728,5174842,21824440,76550058,231236220,620927172,

%T 1512868480,3409871172,7187658694,14321688284,27179247012,49484565130,

%U 86796151488,147351090962,242923972126,390163791394,612170875944

%N Number of length 5+4 0..n arrays with no five consecutive terms having four times any element equal to the sum of the remaining four

%C Row 5 of A249466

%H R. H. Hardin, <a href="/A249471/b249471.txt">Table of n, a(n) for n = 1..65</a>

%e Some solutions for n=3

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 29 2014