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A039781 phi(a(n)) is equal to A008473[ a(n+1) ]. 0
55, 174, 183, 341, 407, 1274, 5424, 6887, 18903, 22167, 27559, 53847, 66711, 68237, 77957, 78155, 91524, 132791, 133574, 138471, 149435, 191575, 220759, 274224, 339024 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..25.

EXAMPLE

phi(174)=56, 175=5^2*7^1, (5+2)*(7+1)=56.

CROSSREFS

Cf. A000010, A008473.

Sequence in context: A276050 A256353 A068641 * A135657 A178793 A161763

Adjacent sequences:  A039778 A039779 A039780 * A039782 A039783 A039784

KEYWORD

nonn

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified October 15 11:03 EDT 2018. Contains 316224 sequences. (Running on oeis4.)