OFFSET
1,3
COMMENTS
Complement of A045765.
LINKS
Jaroslav Krizek, Table of n, a(n) for n = 1..10000
FORMULA
A060990(a(n)) > 0.
MATHEMATICA
Take[Sort@ DeleteDuplicates@ Table[n - DivisorSigma[0, n], {n, 1200}], 67] (* Michael De Vlieger, Oct 13 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, Feb 09 2014
STATUS
approved