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Complement of A169581.
4

%I #3 Mar 30 2012 18:51:05

%S 3,6,8,10,15,17,18,19,21,28,30,32,34,36,39,42,45,47,49,50,51,53,55,66,

%T 68,69,70,72,74,75,76,78,91,93,95,97,98,99,101,103,105,108,110,111,

%U 114,115,117,120,122,124,126,128,130,132,134,136,153,155,156,157,159,161

%N Complement of A169581.

%C A054521(a(n)) = 0;

%C GCD(A002260(a(n)),A002024(a(n))) = A050873(a(n)) > 1.

%H R. Zumkeller, <a href="/A169582/b169582.txt">Table of n, a(n) for n = 1..1000</a>

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Dec 02 2009