A167516 Index of A141468(n) in the isolated nonprimes A014574 or the non-isolated nonprimes A164276.

1, 2, 1, 2, 3, 4, 5, 3, 6, 7, 8, 4, 9, 10, 11, 12, 13, 14, 15, 16, 5, 17, 18, 19, 20, 21, 22, 23, 24, 6, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 7, 38, 39, 40, 41, 42, 43, 44, 45, 8, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68

Offset

1,2

Comments

A014574 U A164276 = A141468.

Links

Table of n, a(n) for n=1..76.

Formula

A014574(a(n)-1)=n or A164276(a(n))=n.

Crossrefs

Cf. A014574, A141468, A164276.

Sequence in context: A071488 A318309 A114733 * A125931 A125932 A175793

Adjacent sequences: A167513 A167514 A167515 * A167517 A167518 A167519

Keyword

nonn

Author

Juri-Stepan Gerasimov, Nov 05 2009

Extensions

Corrected definition and formula index - R. J. Mathar, May 30 2010

Status

approved