A173147 Numbers n such that exactly one of prime(n-1) and prime(n+1) is a generalized cuban prime (A007645).

9, 10, 11, 12, 15, 17, 18, 19, 21, 22, 23, 24, 32, 33, 36, 38, 39, 41, 46, 48, 51, 52, 54, 57, 58, 59, 67, 68, 71, 72, 73, 75, 76, 77, 84, 85, 86, 87, 91, 92, 96, 98, 99, 101, 102, 104, 105, 106, 107, 109, 110, 112, 114, 115, 118, 120, 121, 122, 123, 124, 129, 131

Offset: 1

Author

Juri-Stepan Gerasimov, Feb 11 2010

Keywords

• nonn
• easy
• less

Examples

			a(2)=9 because prime(9-1)=19 is a generalized cuban prime and prime(9+1)=29 is not.
		

Crossrefs

Cf. A007645, A003627.

Extensions

84 inserted, 88 removed - R. J. Mathar, Mar 01 2010

Further corrections and edits from Charles R Greathouse IV, Mar 25 2010