A171689 Nonprimes n such that either n+-1 is prime.

1, 8, 10, 14, 16, 20, 22, 24, 28, 32, 36, 38, 40, 44, 46, 48, 52, 54, 58, 62, 66, 68, 70, 74, 78, 80, 82, 84, 88, 90, 96, 98, 100, 104, 106, 110, 112, 114, 126, 128, 130, 132, 136, 140, 148, 152, 156, 158, 162, 164, 166, 168, 172, 174, 178, 182, 190, 194, 196, 200

Offset

1,2

Comments

Essentially the same as A100317.

Links

Table of n, a(n) for n=1..60.

Crossrefs

Sequence in context: A076639 A100319 A167692 * A163628 A060864 A087695

Adjacent sequences: A171686 A171687 A171688 * A171690 A171691 A171692

Keyword

nonn,easy,less

Author

Juri-Stepan Gerasimov, Dec 15 2009

Extensions

Comment from Charles R Greathouse IV, Mar 25 2010

Status

approved