A168496 The positions of non-single or nonisolated numbers in A001477.

1, 2, 4, 6, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 56, 57, 58, 59, 60, 62, 63, 64, 65, 66, 67, 69, 70, 71, 72, 74, 75, 76, 77, 78, 79, 81, 82, 83, 85, 86, 87

Offset

1,2

Links

Table of n, a(n) for n=1..71.

Formula

a(n) = 1+A167707(n).

Crossrefs

Cf. A001477, A167707.

Sequence in context: A167832 A134488 A263800 * A328077 A285129 A160766

Adjacent sequences: A168493 A168494 A168495 * A168497 A168498 A168499

Keyword

nonn,less

Author

Juri-Stepan Gerasimov, Nov 27 2009

Extensions

Formula corrected by R. J. Mathar, Jun 04 2010

Status

approved