OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
f[1] = 1; f[n_] := Module[{m = n + 1, d = DivisorSigma[0, n]}, While[DivisorSigma[0, m] > d, m++]; m]; Select[Range[150], CompositeQ[f[#]] &] (* Amiram Eldar, Feb 03 2020 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Sep 01 2005
STATUS
approved