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Numbers n such that exactly one of prime(n-1) and prime(n+1) is a generalized cuban prime (A007645).
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%I #6 May 13 2013 01:49:13

%S 9,10,11,12,15,17,18,19,21,22,23,24,32,33,36,38,39,41,46,48,51,52,54,

%T 57,58,59,67,68,71,72,73,75,76,77,84,85,86,87,91,92,96,98,99,101,102,

%U 104,105,106,107,109,110,112,114,115,118,120,121,122,123,124,129,131

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

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

%Y Cf. A007645, A003627.

%K nonn,easy,less

%O 1,1

%A _Juri-Stepan Gerasimov_, Feb 11 2010

%E 84 inserted, 88 removed - _R. J. Mathar_, Mar 01 2010

%E Further corrections and edits from _Charles R Greathouse IV_, Mar 25 2010