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

1,1

Links

Table of n, a(n) for n=1..62.

Example

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

Crossrefs

Cf. A007645, A003627.

Sequence in context: A274562 A258469 A360538 * A342145 A293761 A253881

Adjacent sequences: A173144 A173145 A173146 * A173148 A173149 A173150

Keyword

nonn,easy,less

Author

Juri-Stepan Gerasimov, Feb 11 2010

Extensions

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

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

Status

approved