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A143650 Numbers m,n such that UnitaryPhi(n)=UnitaryPhi(m)=3/4*(m*n)^(1/2), m<=n; sequence gives values of m. 1
4, 56, 80, 4032, 4960, 21760, 157248, 1024128, 39940992, 2354688, 91832832, 655452160 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..12.

CROSSREFS

Cf. A047994, A143649 (values of n).

Sequence in context: A246968 A054751 A189873 * A143649 A168133 A189864

Adjacent sequences:  A143647 A143648 A143649 * A143651 A143652 A143653

KEYWORD

nonn,more

AUTHOR

Yasutoshi Kohmoto, Nov 04 2008

EXTENSIONS

Removed the pair (m,n) = (4805,5445). - R. J. Mathar, Sep 04 2018

STATUS

approved

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Last modified June 20 09:27 EDT 2019. Contains 324234 sequences. (Running on oeis4.)