login
Composite numbers for which phi(n) >= phi(k) for all composite k from 1 to n-1.
0

%I #3 Dec 05 2013 19:55:08

%S 4,6,8,9,14,15,16,20,21,25,33,35,39,45,49,65,77,85,91,95,111,115,119,

%T 121,143,155,161,169,187,203,209,217,221,247,253,287,289,319,323,341,

%U 361,391,403,407,427,437,451,473,481,493,517,527,529,583,589,611,629

%N Composite numbers for which phi(n) >= phi(k) for all composite k from 1 to n-1.

%e 33 is a member as phi(33)=20 which is >= the maximum phi value for composite numbers less than 33, namely phi(25)=20.

%Y Cf. A067126.

%K easy,nonn

%O 1,1

%A _Amarnath Murthy_, Jan 09 2002