OFFSET
1,1
LINKS
Robert G. Wilson v, Table of n, a(n) for n = 1..10000
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)
PROG
(PARI) a(n)=primepi(10^15*n) \\ Charles R Greathouse IV, Apr 29 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v and Jeff Burch, Jan 29 2003
STATUS
approved