A249468 - OEIS

%I #4 Oct 29 2014 17:23:39

%S 58,464,2948,11260,35322,91160,207760,429364,821614,1475648,2518348,

%T 4114408,6479030,9883248,14668588,21247164,30124654,41900528,57290148,

%U 77134712,102409834,134241312,173931480,222958784,283011294,355982968

%N Number of length 2+4 0..n arrays with no five consecutive terms having four times any element equal to the sum of the remaining four

%C Row 2 of A249466

%H R. H. Hardin, <a href="/A249468/b249468.txt">Table of n, a(n) for n = 1..108</a>

%e Some solutions for n=6

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 29 2014