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A158723 Greater of twin primes in A158720. 0


%S 13,31,73,103,181,193,433,463,571,643,661,823,1021,1291,1621,1723,

%T 2083,2143,2341,2593,2713,3001,3253,3331,3361,3541,4231,4243,4423,

%U 4933,5233,5653,5881,6553,6571,6781,6871,6961,7951,8293,9283,9343,9433,9631,9931

%N Greater of twin primes in A158720.

%C If prime number from sequence A158720 is twin prime, it always (?) Greater of twin primes, and none (?) of Lesser of twin primes.

%t lst={};Do[p=Prime[n];If[PrimeQ[Floor[p/3]+p],If[PrimeQ[p-2],AppendTo[lst,p]]],{n,7!}];lst

%Y Cf. A158708, A158709, A158710, A158711, A158712, A158713, A158714, A158719, A158720, A158721, A158722

%K nonn

%O 1,1

%A _Vladimir Joseph Stephan Orlovsky_, Mar 24 2009

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Last modified June 18 03:46 EDT 2021. Contains 345098 sequences. (Running on oeis4.)