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Search: id:A068484
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A068484 Numbers n such that n divides phi(n)^2+sigma(n)^2. +0
1
1, 2, 10, 45, 65, 180, 212, 222, 369, 588, 810, 864, 1274, 1521, 1836, 2548, 2940, 3114, 3552, 4770, 5496, 5684, 6027, 6642, 8820, 9140, 10464, 10614, 13311, 14688, 15210, 20737, 21600, 22776, 26900, 27000, 27270, 28476, 28518, 42212, 42336 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A105485 A065805 A068561 this_sequence A005963 A140588 A137334

Adjacent sequences: A068481 A068482 A068483 this_sequence A068485 A068486 A068487

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 10 2002

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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