OFFSET
0,1
COMMENTS
Contains odd numbers from 1 to 999. See patterns in graph.
LINKS
Zak Seidov, Table of n, a(n) for n = 0..499
EXAMPLE
n=3: a(3)=589 because 2n+1=7, 7*589 = 4123 = 123 (mod 1000).
n=499: a(499)=877 because 2n+1=999 and 999*877=876123 = 123 (mod 1000).
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Nov 20 2006
STATUS
approved