Search: id:A127197
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%I A127197
%S A127197 1,1,1,3,3,1,1,1,1,5,5,3,3,3,3,7,7,1,1,1,1,9,9,9,9,9,9,5,5,11,11,11,11,
%T A127197 11,11,3,3,3,3,13,13,7,7,7,7,15,15,15,15,15,15,1,1,1,1,1,1,17,17,9,9,9,
%U A127197 9,9,9,19,19,19,19,5,5,21,21,21,21,21,21,11,11,11,11,23,23,23,23,23,23
%N A127197 Numerator of n-th Van der Waerden-Ulam binary measure of the primes.
%t A127197 Table[Numerator[PrimePi[k]/2^k], {k, 2, 1000}]
%Y A127197 Cf. A119523.
%Y A127197 Sequence in context: A046533 A046532 A014421 this_sequence A114231 A079075 
               A086703
%Y A127197 Adjacent sequences: A127194 A127195 A127196 this_sequence A127198 A127199 
               A127200
%K A127197 nonn,frac
%O A127197 1,4
%A A127197 Artur Jasinski (grafix(AT)csl.pl), Jan 08 2007

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