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A065201 Numbers having a non-maximal prime-factor with exponent greater than 1. 7

%I #5 Mar 30 2012 18:50:19

%S 12,20,24,28,36,40,44,45,48,52,56,60,63,68,72,76,80,84,88,90,92,96,99,

%T 100,104,108,112,116,117,120,124,126,132,135,136,140,144,148,152,153,

%U 156,160,164,168,171,172,175,176,180,184,188,189,192,196,198,200

%N Numbers having a non-maximal prime-factor with exponent greater than 1.

%C If n is a member so is every positive multiple of n. The primitive elements are A096156.

%e a(4) = 28 = 2^2 * 7 as 2 < 7.

%Y Complement of A065200. Cf. A065202, A096156.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Oct 21 2001

%E Edited by _Franklin T. Adams-Watters_, Oct 27 2006

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)