OFFSET
1,1
LINKS
Zak Seidov, Table of n, a(n) for n = 1..2000
FORMULA
a(n) = primepi(A188815(n)) (conjectured). - Michel Marcus, Jul 05 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Dec 10 2011
STATUS
approved