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Search: id:A069082
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A069082 Numbers n such that sigma(n)/tau(n) has denominator 3. +0
1
4, 9, 12, 25, 28, 52, 63, 75, 76, 84, 108, 117, 121, 124, 148, 156, 171, 172, 175, 180, 196, 228, 243, 244, 268, 279, 289, 292, 316, 325, 333, 363, 364, 372, 387, 388, 396, 412, 436, 441, 444, 475, 508, 516, 525, 529, 532, 549, 556, 588, 603, 604, 628, 652 (list; graph; listen)
OFFSET

1,1

FORMULA

n such that A057021(n)=3

CROSSREFS

Sequence in context: A119640 A051233 A124623 this_sequence A083351 A055381 A032820

Adjacent sequences: A069079 A069080 A069081 this_sequence A069083 A069084 A069085

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 05 2002

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.


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