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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A248461

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

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

Adjacent sequences:  A248463 A248464 A248465 * A248467 A248468 A248469

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 06 2014

STATUS

approved

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Last modified January 19 15:13 EST 2022. Contains 350466 sequences. (Running on oeis4.)