Values of the Euler and Carmichael functions which are sums of three squares

P Pollack - 2011 - degruyter.com
Let φ denote Euler's totient function. The frequency with which φ (n) is a perfect square has
been investigated by Banks, Friedlander, Pomerance, and Shparlinski, while the frequency …

[PDF][PDF] Paul Pollack1 Department of Mathematics, University of Illinois, Urbana, Illinois 61801, USA pppollac@ illinois. edu

WARESOFT SQUARES - INTEGERS, 2011 - kurims.kyoto-u.ac.jp
Let ϕ denote Euler's totient function. The frequency with which ϕ (n) is a perfect square has
been investigated by Banks, Friedlander, Pomerance, and Shparlinski, while the frequency …