login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A090487 a(n) = Floor[(Pi/2)*(Exp[3+n/PrimePi[n]])/Log[n]]. 0

%I

%S 336,128,168,103,130,93,112,136,166,118,139,107,123,141,163,126,142,

%T 115,128,143,159,129,142,157,174,192,212,170,186,153,166,181,196,213,

%U 232,190,205,222,239,199,213,180,193,206,220,188,199,212,226,240,255,218

%N a(n) = Floor[(Pi/2)*(Exp[3+n/PrimePi[n]])/Log[n]].

%C The white noise signal power of the distribution of the primes.

%D Claude E. Shannon, The Mathematical Theory of Communications, Page 104

%t digits=200 f[n_]=Floor[(Pi/2)*(Exp[3+n/PrimePi[n]])/Log[n]] a=Table[f[n], {n, 2, digits}]

%K nonn

%O 2,1

%A _Roger L. Bagula_, Feb 01 2004

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 30 23:12 EDT 2021. Contains 346365 sequences. (Running on oeis4.)