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A189502 Number of arrangements of 6 nonzero numbers x(i) in -n..n with the sum of floor(x(i)/x(i+1)) equal to zero 1
0, 550, 4920, 24806, 85480, 238836, 567774, 1218778, 2397016, 4388664, 7630748, 12628448, 20067182, 30962660, 46263140, 67394664, 96114728, 134386478, 184598554, 249470222, 331776594, 436360316, 567697448, 729535354, 926393324 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A189498

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for n=5

..1....4...-1...-1....1....4....1....3....1...-2...-3....5...-1....5....1....3

.-2....5...-5...-3....5....1...-1...-2...-1...-1...-3...-5...-3...-5...-5...-2

.-2....3....5....2....5...-3...-4...-3....4....1....5...-4...-4...-2...-3....3

.-1...-3....5....2...-4...-3...-3...-2....1...-5...-5....3...-5...-5...-2....1

..2...-3....3...-2...-2....1...-3...-1....5...-5....3....1...-3....4....4...-5

.-2....5...-4...-1....5...-3....5....4...-4....5....1...-5....5....3....5...-5

CROSSREFS

Sequence in context: A232314 A141547 A236723 * A190075 A234415 A285925

Adjacent sequences:  A189499 A189500 A189501 * A189503 A189504 A189505

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 23 2011

STATUS

approved

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Last modified November 27 20:49 EST 2021. Contains 349395 sequences. (Running on oeis4.)