OFFSET
1,1
LINKS
Robert G. Wilson v, Table of n, a(n) for n = 1..10000
Andrew R. Booker, The Nth Prime Page
Thomas R. Nicely, Some Results of Computational Research in Prime Numbers [See local copy in A007053]
Tomás Oliveira e Silva, Tables of values of pi(x) and of pi2(x)
MATHEMATICA
Table[ PrimePi[ n*10^9 ], {n, 1, 22}]
PROG
(PARI) a(n)=primepi(10^9*n) \\ Charles R Greathouse IV, Apr 29 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Edited and extended by Robert G. Wilson v, Jan 29 2003
STATUS
approved