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A039780 phi(a(n)) is equal to A008473(a(n-1)). 0
5, 25, 1176, 1625, 7385, 18633, 21726, 30276, 32923, 36905, 46025, 50809, 55449, 60726, 89257, 102425, 151657, 185745, 278226, 289961, 301017, 319145, 373176, 394121 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..24.

EXAMPLE

phi(1176)=336, 1175=5^2*47^1, (5+2)*(47+1)=336.

CROSSREFS

Cf. A000010, A008473.

Sequence in context: A067212 A061583 A278120 * A033981 A099077 A137113

Adjacent sequences:  A039777 A039778 A039779 * A039781 A039782 A039783

KEYWORD

nonn

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified November 14 18:55 EST 2018. Contains 317214 sequences. (Running on oeis4.)