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A020489 phi(n) divides sigma_0(n). 0
1, 2, 3, 6, 8, 10, 18, 24, 30 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A082667 A098162 A076627 * A002240 A099798 A097383

Adjacent sequences:  A020486 A020487 A020488 * A020490 A020491 A020492

KEYWORD

nonn,fini,full

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 13 10:20 EST 2012. Contains 205451 sequences.