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 A158713 Primes p such that p1=Ceiling[p/2]+p is prime and p2=Ceiling[p1/2]+p is prime. 6
 7, 47, 127, 167, 239, 439, 479, 607, 967, 1319, 1559, 1999, 2239, 2447, 2719, 3359, 4007, 4327, 4967, 5039, 5279, 5407, 5879, 6007, 6287, 7127, 7607, 8167, 8447, 8527, 8999, 9127, 9439, 9967, 10487, 11087, 11287, 11399, 11527, 11719, 11927, 11959, 12479 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS MATHEMATICA cpQ[n_]:=Module[{p1=Ceiling[n/2]+n}, AllTrue[{p1, Ceiling[p1/2]+n}, PrimeQ]]; Select[Prime[Range[2000]], cpQ] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 29 2017 *) CROSSREFS Cf. A158708, A158709, A158710, A158711, A158712 Sequence in context: A044490 A139916 A009219 * A142185 A158914 A046872 Adjacent sequences:  A158710 A158711 A158712 * A158714 A158715 A158716 KEYWORD nonn AUTHOR Vladimir Joseph Stephan Orlovsky, Mar 24 2009 EXTENSIONS Corrected and incorrect Mathematica program deleted by Harvey P. Dale, May 29 2017 STATUS approved

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Last modified June 19 13:54 EDT 2021. Contains 345138 sequences. (Running on oeis4.)