OFFSET
1,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
lim = 250; t = LucasL /@ Range[0, lim]; Select[Range@ lim, MemberQ[t, DivisorSigma[0, #]] &] (* Amiram Eldar, Sep 05 2019 after Michael De Vlieger at A123193 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Giovanni Teofilatto, Aug 01 2006
STATUS
approved