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A249178
Number of length 7+6 0..n arrays with every seven consecutive terms having four times the sum of some three elements equal to three times the sum of the remaining four
0
2, 395, 2258, 11177, 39066, 115437, 954986, 5101909, 18786744, 56431603, 142215998, 319891307, 652627222, 1647080797, 3703318802, 7684619675, 14642811994
OFFSET
1,1
COMMENTS
Row 7 of A249171
EXAMPLE
Some solutions for n=6
..3....5....0....2....6....4....6....6....6....4....0....1....4....3....1....2
..4....4....0....3....0....3....0....5....4....5....5....2....2....6....2....1
..0....5....2....0....6....3....0....3....5....4....1....3....5....5....5....0
..4....0....5....4....6....6....4....0....2....6....2....1....5....0....2....1
..4....0....3....6....3....2....5....5....0....2....5....0....4....6....3....4
..2....5....2....1....4....5....3....6....4....0....6....2....2....4....4....4
..4....2....2....5....3....5....3....3....0....0....2....5....6....4....4....2
..3....5....0....2....6....4....6....6....6....4....0....1....4....3....1....2
..4....4....0....3....0....3....0....5....4....5....5....2....2....6....2....1
..0....5....2....0....6....3....0....3....5....4....1....3....5....5....5....0
..4....0....5....4....6....6....4....0....2....6....2....1....5....0....2....1
..4....0....3....6....3....2....5....5....0....2....5....0....4....6....3....4
..2....5....2....1....4....5....3....6....4....0....6....2....2....4....4....4
CROSSREFS
Sequence in context: A249175 A249176 A249177 * A375843 A281650 A324403
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 22 2014
STATUS
approved