%I #11 Jun 28 2015 13:55:07
%S 4,24,144,908,6117,44159,332775,2592589,20758019,169922924,1416703346,
%T 11992874160,10283824252
%N Erroneous version of A057835.
%D C. Clawson, Mathematical Mysteries, Plenum Press, 1996, p. 157
%F a(n) = pi(n) - n/log(n).
%K dead
%O 2,1
%A _Felice Russo_