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A158016
Primes p such that 8*p-1 is also prime.
3
3, 13, 19, 61, 79, 103, 163, 181, 193, 223, 229, 313, 331, 349, 409, 433, 439, 541, 571, 613, 619, 691, 751, 769, 853, 859, 919, 991, 1021, 1033, 1039, 1321, 1381, 1423, 1483, 1543, 1549, 1621, 1699, 1759, 1801, 1861, 1873, 1879, 1951, 1999, 2011, 2029, 2113
OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[600]], PrimeQ[(8 # - 1)]&] (* Vincenzo Librandi, Apr 14 2013 *)
PROG
(Magma) [p: p in PrimesUpTo(2200) | IsPrime(8*p - 1)]; // Vincenzo Librandi, Apr 14 2013
CROSSREFS
Cf. A005382 for the type 2p-1, A062737 for 4p-1, A158015 for 6p-1, A158017 for 10p-1.
Sequence in context: A024469 A007697 A055202 * A281998 A294676 A293465
KEYWORD
nonn,easy
AUTHOR
Roger L. Bagula, Mar 11 2009
EXTENSIONS
Edited by the Associate Editors of the OEIS, Apr 22 2009
STATUS
approved