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

Author

Juri-Stepan Gerasimov, Dec 15 2009

Keywords

• nonn
• easy
• less

Comments

Essentially the same as A100317.

Extensions

Comment from Charles R Greathouse IV, Mar 25 2010