OFFSET
1,1
EXAMPLE
a(5)=2*2*2*2*3 + 2*2*2*5 + 2*2*7 + 2*3*3*3 + 3*3*5 + 11 = 226.
CROSSREFS
KEYWORD
nonn
AUTHOR
Yasutoshi Kohmoto, Jan 27 2005
EXTENSIONS
More terms from Ryan Propper, Jul 21 2006
STATUS
approved