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A069897 Integer quotient of largest and smallest prime factors of n. +0
4
1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 1, 1, 2, 2, 5, 1, 1, 1, 6, 1, 3, 1, 2, 1, 1, 3, 8, 1, 1, 1, 9, 4, 2, 1, 3, 1, 5, 1, 11, 1, 1, 1, 2, 5, 6, 1, 1, 2, 3, 6, 14, 1, 2, 1, 15, 2, 1, 2, 5, 1, 8, 7, 3, 1, 1, 1, 18, 1, 9, 1, 6, 1, 2, 1, 20, 1, 3, 3, 21, 9, 5, 1, 2, 1, 11, 10, 23, 3, 1, 1, 3, 3, 2, 1 (list; graph; listen)
OFFSET

2,9

FORMULA

a(n)=Floor[A006530(n)/A020639(n)]

CROSSREFS

Cf. A006530, A020639, A046665.

Adjacent sequences: A069894 A069895 A069896 this_sequence A069898 A069899 A069900

Sequence in context: A104967 A098495 A095025 this_sequence A107682 A085476 A124944

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Apr 10 2002

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Last modified November 8 07:45 EST 2009. Contains 166143 sequences.


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