OFFSET
1,1
EXAMPLE
If n=14=composite and 43=prime(14), then 1<4=4>3 and 14=a(1). If n=30=composite and 113=prime(30), then 0<3=3>1=1 and 30=a(2). If n=32=composite and 131=prime(32), then 2<3=3>1=1 and 32=a(3), etc.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Juri-Stepan Gerasimov, Jan 23 2009
EXTENSIONS
Corrected (190 replaced by 290) by R. J. Mathar, May 10 2010
STATUS
approved