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A248466
Number of length 5+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third
1
42, 288, 4488, 24160, 105026, 332940, 948412, 2299356, 5183202, 10554328, 20406996, 37023484, 64595054, 107536496, 173894220, 271712160, 414759462, 616455068, 899198128, 1284256968, 1806180638, 2496566424, 3406477720
OFFSET
1,1
COMMENTS
Row 5 of A248461
LINKS
EXAMPLE
Some solutions for n=5
..1....1....0....0....1....0....0....3....2....1....3....4....2....4....0....2
..4....0....0....2....1....3....3....4....0....3....3....4....4....0....4....1
..1....0....1....0....5....3....1....1....2....3....0....2....1....1....5....2
..5....5....5....3....1....4....0....5....0....5....3....4....1....4....5....5
..0....5....0....0....2....0....3....4....2....0....0....5....5....2....3....3
..4....3....1....5....1....0....3....1....2....5....2....0....0....5....0....2
..5....3....1....4....4....2....5....0....0....0....3....3....3....4....0....5
CROSSREFS
Sequence in context: A188058 A036463 A190534 * A233407 A272139 A167654
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 06 2014
STATUS
approved