A248994 - OEIS

%I #4 Oct 18 2014 19:35:22

%S 2,53,204,585,4742,30017,86800,206989,376806,854053,1617708,2998849,

%T 4902560,7778539,12440676,19535371,28611276,40771083,55318846,

%U 77181365,103633374,137581435,176929022,225283535,285422254,360064143,444125526

%N Number of length 7+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 7 of A248987

%H R. H. Hardin, <a href="/A248994/b248994.txt">Table of n, a(n) for n = 1..73</a>

%e Some solutions for n=6

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

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

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 18 2014