OFFSET
1,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..5000
MATHEMATICA
Select[Prime[Range[100]], DivisorSigma[1, #-1]>2#&] (* Harvey P. Dale, Mar 31 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, Aug 12 2009
EXTENSIONS
Edited by R. J. Mathar, Aug 21 2009
STATUS
approved