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A166158 Numbers n such that phi(n)+ number of perfect partitions of (n-1) is prime. 0

%I #5 Mar 30 2012 18:52:34

%S 1,2,3,5,6,7,10,11,13,15,17,19,22,23,29,31,33,34,37,41,43,47,53,55,58,

%T 59,61,67,69,70,71,73,78,79,82,83,85,87,89,97,101,103,105,107,109,110,

%U 113,118,123,127,130,131,137,139,142,149,151,154,157,159,163,167,173,179

%N Numbers n such that phi(n)+ number of perfect partitions of (n-1) is prime.

%C Numbers n such that A000010(n) + A002033(n-1) is prime.

%Y Cf. A000010, A000040, A002033.

%K nonn,less

%O 1,2

%A _Juri-Stepan Gerasimov_, Oct 08 2009

%E Index in the definition corrected, and extended by _R. J. Mathar_, Oct 10 2009

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)