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%I #8 Nov 21 2013 12:48:22
%S 1,2,3,5,8,10,13,15,19,25,27,32,36,38,42,48,54,56,61,65,67,73,77,83,
%T 91,95,97,101,103,107,121,124,130,132,142,144,150,156,160,166,172,174,
%U 184,186,190,192,204,216,220,222,226,232,234,244,249,255,261,263,269,273
%N Prime(n) - floor(log_2(prime(n))).
%C a(n) = A000040(n) - A098388(n).
%e a(10) = A000040(10) - A098388(10) = 29 - 4 = 25.
%t #-Floor[Log[2,#]]&/@Prime[Range[60]] (* _Harvey P. Dale_, Nov 06 2011 *)
%o (PARI) a(n)=my(p=prime(n));p-log(p+.5)\log(2) \\ _Charles R Greathouse IV_, May 29 2013
%Y Cf. A000523, A098390, A014689, A098386, A098392.
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Sep 06 2004