OFFSET
1,1
EXAMPLE
a(1)=3 because nonprime(prime(1)) = nonprime(2) = 4 and the largest prime < 4 is 3;
a(2)=5 because nonprime(prime(2)) = nonprime(3) = 6 and the largest prime < 6 is 5.
MAPLE
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Jan 06 2009
EXTENSIONS
Corrected (19 inserted) by R. J. Mathar, May 01 2010
Edited by Jon E. Schoenfield, Feb 07 2019
STATUS
approved