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A054482 Denominator of lowest terms fraction from division of a highly composite number (1) by its predecessor. 3
1, 1, 2, 1, 1, 2, 3, 4, 1, 2, 3, 2, 1, 6, 2, 3, 2, 1, 2, 3, 2, 3, 4, 10, 11, 9, 10, 2, 3, 2, 3, 4, 5, 2, 9, 5, 12, 2, 3, 2, 3, 4, 5, 2, 9, 5, 4, 3, 5, 4, 2, 15, 17, 12, 5, 2, 9, 5, 4, 3, 5, 4, 2, 15, 19, 2, 15, 2, 19, 18, 5, 4, 3, 5, 4, 2, 3, 2, 3, 2, 6, 35, 92, 21, 23, 35, 92, 21, 2, 23, 21, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,3

COMMENTS

Successive fractions are 2/1,2/1,3/2,2/1,2/1,3/2,4/3,5/4,2/1,3/2,4/3,3/2,2/1 a(n) is frequently A054483(n)-1, though not for example for n=26

LINKS

Table of n, a(n) for n=2..93.

FORMULA

a(n) = A002182(n-1)/A054481(n)

EXAMPLE

a(7)=2 since A002182(7)=36, A002182(6)=24 and 36/24=3/2 in lowest terms.

CROSSREFS

Cf. A002182, A054483.

Sequence in context: A181572 A287731 A289816 * A208234 A092543 A277083

Adjacent sequences:  A054479 A054480 A054481 * A054483 A054484 A054485

KEYWORD

easy,nonn,frac

AUTHOR

Henry Bottomley, Mar 31 2000

EXTENSIONS

More terms from Jud McCranie, Jun 11 2005

STATUS

approved

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Last modified November 16 17:04 EST 2019. Contains 329201 sequences. (Running on oeis4.)