OFFSET
1,1
EXAMPLE
a(4)=1201 because 1201 is the smallest prime that can be written as 1 + product of 4 strictly increasing terms and smallest term 4: 1201=1+4*5*6*10.
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Nov 01 2003
EXTENSIONS
More terms from Hugo Pfoertner, Apr 06 2004
Further terms from David Wasserman, Sep 09 2005
STATUS
approved