A249084 - OEIS

%I #4 Oct 20 2014 18:39:46

%S 78448,202628,525960,1365188,3535850,9128450,23480326,61940694,

%T 162995818,427723930,1118943674,2917379528,7579080652,20132662668,

%U 53324358248,140801592674,370556680666,971794433086,2539113787424,6770428097170

%N Number of length n+5 0..7 arrays with every six consecutive terms having two times the sum of some two elements equal to the sum of the remaining four

%C Column 7 of A249085

%H R. H. Hardin, <a href="/A249084/b249084.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..6....3....6....7....3....6....6....1....5....1....2....6....0....1....6....2

%e ..0....1....0....6....1....3....5....3....2....5....2....5....0....7....7....7

%e ..1....7....0....4....5....4....5....4....2....2....2....2....2....0....3....6

%e ..1....2....0....5....6....1....2....0....7....5....6....5....0....3....6....0

%e ..5....5....5....1....6....4....4....3....2....3....1....0....1....7....3....0

%e ..5....6....7....1....0....6....2....1....6....5....5....3....0....6....2....3

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 20 2014