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A087789 Smallest number greater than n having the same greatest prime factor as n; a(1)=1. 0

%I #4 Mar 30 2012 18:50:38

%S 1,4,6,8,10,9,14,16,12,15,22,18,26,21,20,32,34,24,38,25,28,33,46,27,

%T 30,39,36,35,58,40,62,64,44,51,42,48,74,57,52,45,82,49,86,55,50,69,94,

%U 54,56,60,68,65,106,72,66,63,76,87,118,75,122,93,70,128,78,77,134,85

%N Smallest number greater than n having the same greatest prime factor as n; a(1)=1.

%F a(n)=A071830(n), n>1. [From _R. J. Mathar_, Sep 11 2008]

%Y Cf. A006530.

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, Oct 07 2003

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Last modified April 18 18:49 EDT 2024. Contains 371781 sequences. (Running on oeis4.)