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n-th nonnegative number k such that neither 6*k+-1 is prime plus n-th number m such that 6*m+-1 are both twin primes.
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%I #3 Mar 30 2012 18:52:38

%S 1,22,27,36,41,46,53,65,68,77,82,99,103,112,124,128,134,139,149,162,

%T 176,183,193,206,225,232,237,243,249,276,282,287,293,301,330,339,346,

%U 351,358,371,385,402,405,408,413,434,443,454,457,479,482,497,505,510,522

%N n-th nonnegative number k such that neither 6*k+-1 is prime plus n-th number m such that 6*m+-1 are both twin primes.

%F a(n)=A171696(n)+A002822(n).

%Y Cf. A002822, A171696.

%K nonn

%O 1,2

%A _Juri-Stepan Gerasimov_, Jan 24 2010

%E Entries checked by _R. J. Mathar_, May 22 2010