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

Author

Juri-Stepan Gerasimov, Nov 05 2009

Keywords

• nonn

Comments

A014574 U A164276 = A141468.

Crossrefs

Cf. A014574, A141468, A164276.

Formula

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

Extensions

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