OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Range[310000], Mod[#, 6] > 1 && DivisorSigma[1, #] > 3# &] (* Amiram Eldar, Dec 03 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Ant King, Mar 07 2007
STATUS
approved