OFFSET
1,3
EXAMPLE
3 mod 2=1=a(12).
2 mod 2=0=a(13).
5 mod 3=2=a(14).
5 mod 2=1=a(15).
7 mod 2=1=a(16).
11 mod 2=1=a(17).
3 mod 3=0=a(18).
5 mod 2=1=a(19).
2 mod 13=2=a(20).
3 mod 3=0=a(21).
2 mod 2=0=a(22).
7 mod 2=1=a(23), etc.
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Nov 20 2008
EXTENSIONS
First corrected removal of a 1 near a(15). Other corrections following a(45) - R. J. Mathar, Apr 29 2010
STATUS
approved