OFFSET
1,1
EXAMPLE
prime(29) = 109 which has one zero, so a(1) = 29. prime(79) = 401 which has one zero, so a(2) = 79.
CROSSREFS
KEYWORD
nonn,base,less
AUTHOR
Juri-Stepan Gerasimov, Jan 19 2009
EXTENSIONS
Definition and terms corrected by Charles R Greathouse IV, Mar 29 2010
STATUS
approved