

A186309


Numbers n having more than one representation as k*(1+phi(k)/2), where phi(k) is Euler's totient function.


0



36, 540, 39852, 75418035, 113570688, 120668856, 141963360, 150836070, 18826510275, 37653020550, 106746035772831, 213492071545662, 2906980416141000, 4360470624211500, 11118121391391372
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