A157847 Numbers which are not a mean of divisors of some arithmetic number A003601(k).

5, 11, 17, 23, 25, 29, 41, 43, 46, 47, 50, 53, 58, 59, 67, 71, 73, 77, 83, 85, 86, 89, 92, 94, 95, 101, 103, 107, 109, 113, 116, 118, 125, 131, 134, 137, 145, 146, 149, 151, 163, 167, 170, 172, 173, 178, 179, 181, 185, 188, 191, 193, 197, 202, 206, 209, 214, 215, 218, 219

Offset: 1

Author

Jaroslav Krizek, Mar 07 2009

Keywords

• nonn

Comments

Numbers not occurring in A102187. The complement to A157846.

Links

• Zak Seidov, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A102187, A003601, A000203, A000005.

Extensions

Edited and extended by R. J. Mathar, Mar 15 2009