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A158723 Greater of twin primes in A158720. 0
13, 31, 73, 103, 181, 193, 433, 463, 571, 643, 661, 823, 1021, 1291, 1621, 1723, 2083, 2143, 2341, 2593, 2713, 3001, 3253, 3331, 3361, 3541, 4231, 4243, 4423, 4933, 5233, 5653, 5881, 6553, 6571, 6781, 6871, 6961, 7951, 8293, 9283, 9343, 9433, 9631, 9931 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

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

MATHEMATICA

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

CROSSREFS

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

Sequence in context: A021007 A061239 A072023 * A107288 A095379 A160772

Adjacent sequences:  A158720 A158721 A158722 * A158724 A158725 A158726

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Mar 24 2009

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Last modified February 16 09:00 EST 2012. Contains 205904 sequences.