A168498 The positions of non-single or nonisolated numbers in A000010.

1, 2, 11, 15, 16, 17, 20, 22, 23, 24, 25, 29, 30, 32, 33, 34, 35, 37, 39, 40, 41, 44, 45, 46, 47, 48, 50, 51, 52, 53, 55, 56, 57, 58, 59, 60, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 74, 75, 76, 78, 79, 80, 81, 82, 83, 84, 85, 87, 88, 89, 90, 92, 94, 96, 97, 100, 101, 102, 104

Offset: 1

Author

Juri-Stepan Gerasimov, Nov 27 2009

Keywords

• nonn

Comments

Numbers n such that phi(n)=non-single or nonisolated number.

Crossrefs

Cf. A000010, A167707.

Extensions

Extended by R. J. Mathar, Nov 30 2009