%I #4 Oct 18 2014 19:31:42
%S 2,53,204,585,1654,4137,7964,14661,23778,39441,60264,90193,126626,
%T 176141,239692,322385,419046,539841,675924,853485,1053130,1293121,
%U 1559752,1873217,2232130,2653637,3111812,3639577,4210230,4884793,5609564,6430901
%N Number of length 2+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 2 of A248987
%H R. H. Hardin, <a href="/A248989/b248989.txt">Table of n, a(n) for n = 1..196</a>
%e Some solutions for n=6
%e ..6....5....0....6....0....5....1....2....0....0....1....0....3....3....3....2
%e ..3....0....1....2....3....3....4....2....1....6....4....0....3....3....6....5
%e ..5....2....3....4....1....6....5....4....0....2....5....3....6....1....2....6
%e ..1....1....6....2....5....2....4....3....3....2....2....6....6....3....4....2
%e ..5....2....5....1....6....4....6....4....1....0....3....1....2....0....5....0
%e ..1....0....5....1....5....5....6....2....0....5....1....5....3....3....3....2
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 18 2014