OFFSET
1,3
LINKS
Bill McEachen, Table of n, a(n) for n = 1..1206
S. S. Wagstaff, Jr., The Cunningham Project, Factorizations of 2^n-1, n odd, n<1200.
CROSSREFS
KEYWORD
nonn
AUTHOR
Marco Matosic, Aug 16 2004
EXTENSIONS
Edited by Vladeta Jovovic, Aug 26 2004
STATUS
approved