OFFSET
1,2
EXAMPLE
a(4) = 88 = 2*2*2*11. 252=2*2*3*3*7 => a(5)=252.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Jun 07 2002
EXTENSIONS
Corrected and extended by Sascha Kurz, Jan 02 2003
STATUS
approved