A121288 - OEIS

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A121288

Values of Sigma(n)*UnitarySigma(n) divided by UnitaryPhi(n)*n associated with A121287.

%I #7 Jan 24 2019 03:56:21

%S 1,12,14,8,28,15

%N Values of Sigma(n)*UnitarySigma(n) divided by UnitaryPhi(n)*n associated with A121287.

%Y Cf. A000203, A034448, A047994, A121287.

%K nonn,more

%O 1,2

%A _Yasutoshi Kohmoto_, Sep 05 2006