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A154366 Numbers n such that the smallest prime factor of composite(n) plus the largest prime factor of composite(n) is composite and the sum of prime factors of composite(n) (with multiplicity) is composite. 0

%I #4 Mar 30 2012 18:52:32

%S 1,3,4,7,8,9,12,15,16,17,20,21,23,25,26,28,31,33,35,38,40,43,45,46,49,

%T 50,52,55,56,58,60,61,62,63,66,67,68,69,70,72,77,78,81,82,83,84,88,90,

%U 91,92,93,94,95,96,97,98,100,101,102,104,105,106,108,110,111,115,118,119

%N Numbers n such that the smallest prime factor of composite(n) plus the largest prime factor of composite(n) is composite and the sum of prime factors of composite(n) (with multiplicity) is composite.

%K nonn,easy,less

%O 1,2

%A _Juri-Stepan Gerasimov_, Jan 08 2009

%E Corrected and edited by _Charles R Greathouse IV_, Apr 01 2010

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)