login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Denominator of (n-th nonprime/n).
2

%I #4 Mar 30 2012 19:00:22

%S 1,1,1,1,5,3,7,4,3,5,11,3,13,7,5,16,17,2,19,2,21,2,23,24,25,26,9,7,29,

%T 15,31,16,11,34,7,12,37,19,39,5,41,21,43,22,5,23,47,8,49,50

%N Denominator of (n-th nonprime/n).

%C Denominator of (A018252(n)/n).

%K nonn,frac,easy

%O 1,5

%A _Jaroslav Krizek_, Dec 11 2009