OFFSET
1,1
EXAMPLE
a(1)=8+3(2*2*2)=11, a(2)=9+2(3*3)=11, a(3)=15+2(3*5)=17, a(4)=20+3(2*2*5)=23.
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Oct 28 2009
EXTENSIONS
Edited (but not checked) by N. J. A. Sloane, Nov 01 2009
Added another 113, replaced 197 by 199 and 211, inserted 229 etc. R. J. Mathar, Oct 29 2009
STATUS
approved