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A078511 Numbers n such that sopfr(n)=tau(n). 2
2, 60, 72, 168, 270, 450, 560, 990, 1056, 1188, 1470, 2496, 3200, 3402, 3520, 3672, 4788, 5700, 8320, 9856, 9936, 10164, 10395, 11000, 11160, 12180, 12740, 13056, 13720, 14616, 16524, 17400, 17940, 18522, 19380, 20000, 20475, 21252, 21528 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

A001414(n)=A000005(n)

CROSSREFS

Sequence in context: A202622 A113549 A117482 * A141055 A048541 A067739

Adjacent sequences:  A078508 A078509 A078510 * A078512 A078513 A078514

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 11 2003

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Last modified February 16 11:51 EST 2012. Contains 205908 sequences.