OFFSET
1,2
EXAMPLE
a(5) = prime(5)*(nonnegative noncomposite(5)) = 11*5 = 55.
CROSSREFS
KEYWORD
nonn,uned
AUTHOR
Juri-Stepan Gerasimov, Apr 08 2010
EXTENSIONS
Entries checked by R. J. Mathar, Apr 16 2010
STATUS
approved