1,1
a(5) > 10^9. - Ryan Propper (rpropper(AT)stanford.edu), Jun 25 2005
Sigma(40) = 90 == 10 mod 40.
Sequence in context: A124707 A126368 A125816 * A056034 A039404 A043227
Adjacent sequences: A105866 A105867 A105868 * A105870 A105871 A105872
more,nonn
Shyam Sunder Gupta (guptass(AT)rediffmail.com), May 05 2005