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A072865 Smallest k > 1 dividing tau(k*n) (cf. A000005). 0
2, 4, 2, 2, 2, 2, 2, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Sequence contains the values 2,3,4,5,6,7,8,9,10,11,12. The smallest x such that a(x)=12 is x = 32768 = 2^15.

CROSSREFS

Sequence in context: A113973 A123330 A194564 * A179686 A013604 A183193

Adjacent sequences:  A072862 A072863 A072864 * A072866 A072867 A072868

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Jul 27 2002

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Last modified February 15 08:20 EST 2012. Contains 205729 sequences.