Search: id:A092850
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%I A092850
%S A092850 2,12,81,598,4708,38622,327823,2847315,25163920,225457188,2042143752,
%T A092850 18663517814,171846353051
%N A092850 Number of primes between A092800(n) and 10^n.
%F A092850 a(n) = PrimePi(10^n)-PrimePi(A092800(n)) = PrimePi(10^n)-PrimePi(A046731(n)/
               A006880(n)). - Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 19 2007
%e A092850 Below 10^1 there are 4 primes: 2+3+5+7=17. The rounded mean is 17/4 =~ 
               4. There are 2 primes > 4: 5 and 7, so a(1)=2.
%Y A092850 Cf. A092800, A092849, A092851.
%Y A092850 Sequence in context: A052822 A058872 A055548 this_sequence A052864 A130464 
               A006657
%Y A092850 Adjacent sequences: A092847 A092848 A092849 this_sequence A092851 A092852 
               A092853
%K A092850 nonn
%O A092850 1,1
%A A092850 Enoch Haga (Enokh(AT)comcast.net), Mar 07 2004
%E A092850 a(9)-a(13) from Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 19 2007

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