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

1,2

Comments

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

Links

Table of n, a(n) for n=1..69.

Crossrefs

Cf. A000010, A167707.

Sequence in context: A034039 A077475 A371071 * A255370 A061845 A297836

Adjacent sequences: A168495 A168496 A168497 * A168499 A168500 A168501

Keyword

nonn

Author

Juri-Stepan Gerasimov, Nov 27 2009

Extensions

Extended by R. J. Mathar, Nov 30 2009

Status

approved