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Numbers k such that phi(m) = 96*k+2 has no solution.
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%I #12 Jul 30 2024 19:13:07

%S 0,378,1524,2385,7749,13788,21555,34599,46398,50715,59925,69903,75180,

%T 86310,104445,117495,177375,230349,239850,269505,290235,311733,380835,

%U 393024,470190,497448,525474,583830,598899,743160,760149,812268,902973,998478,1018155

%N Numbers k such that phi(m) = 96*k+2 has no solution.

%p [seq(nops(invphi(2+96*i)),i=1..25000)];

%t s=0; m=96; r=2; Do[s=EulerPhi[n]; If[Equal[Mod[s, m], r], Print[(s-r)/m]], {n, 1, 100000000}]

%Y Cf. A063667, A063668, A000010, A005277, A002202.

%K nonn

%O 1,2

%A _Labos Elemer_, May 29 2002

%E a(20)-a(35) from _Donovan Johnson_, Jul 27 2011