OFFSET
1,1
COMMENTS
By definition a(n) == 0 (mod n).
It appears that a(n) is also the smallest sum of n distinct primes of the form n*k+1. - Omar E. Pol, Sep 03 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Nov 04 2002
EXTENSIONS
Edited, corrected and extended by Franklin T. Adams-Watters, Aug 29 2006
STATUS
approved