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Numbers k for which the value of Dedekind psi function (A001615) are less than the value of infinitary Dedekind psi function (A049417).
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%I #25 Feb 24 2022 08:14:55

%S 8,24,27,32,40,54,56,72,88,96,104,120,125,128,135,136,152,160,168,184,

%T 189,200,216,224,232,243,248,250,264,270,280,296,297,312,328,343,344,

%U 351,352,360,375,376,378,384,392,408,416,424,440,456,459,472,480,486

%N Numbers k for which the value of Dedekind psi function (A001615) are less than the value of infinitary Dedekind psi function (A049417).

%C Or k for which Product_{p|k} (1 + 1/p) < Product_{q is in Q_k} (1 + 1/q), where {p} are primes, {q} are terms of A050376 and Q_k is the set of distinct q's whose product is k.

%H Peter J. C. Moses, <a href="/A240111/b240111.txt">Table of n, a(n) for n = 1..1000</a>

%Y Cf. A001615, A049417.

%K nonn

%O 1,1

%A _Vladimir Shevelev_, Apr 01 2014

%E More terms from _Peter J. C. Moses_, Apr 02 2014