OFFSET
1,1
EXAMPLE
0*1+2=2=a(1).
3*2+2=8=a(2).
5*2+3=13=a(3).
7*2+3 =17=a(4).
3*2+2=8=a(5).
5*11+2=57=a(6).
2*3+13 =19=a(7).
2*7+3=19=a(8), etc.
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Oct 31 2008
EXTENSIONS
a(8), a(16), a(19) etc. corrected by R. J. Mathar, Apr 25 2010
STATUS
approved