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Search: id:A074786
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A074786 Numbers n such that phi(n)=sum(d|n,core(d)) where core(x) is the squarefree part of x (A007913) +0
1
1, 99, 1080, 1836, 4743, 5670, 7644, 8307, 14384, 14784, 15225, 15824, 16065, 20300, 21584, 25704, 29760, 34544, 46816, 71568, 94240 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A061366 A135219 A093299 this_sequence A133319 A017815 A017762

Adjacent sequences: A074783 A074784 A074785 this_sequence A074787 A074788 A074789

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Sep 07 2002

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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