1,3

Complement of A045765.

Jaroslav Krizek, Table of n, a(n) for n = 1..10000

A060990(a(n)) > 0.

10 is in sequence because A049820(14) = 14 - A000005(14) = 14 - 4 = 10.

Take[Sort@ DeleteDuplicates@ Table[n - DivisorSigma[0, n], {n, 1200}], 67] (* Michael De Vlieger, Oct 13 2015 *)

Cf. A049820, A236561, A236565.

Sequence in context: A063037 A286262 A201992 * A157189 A136250 A175585

Adjacent sequences: A236559 A236560 A236561 * A236563 A236564 A236565

nonn

Jaroslav Krizek, Feb 09 2014

approved