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A142661
Primes congruent to 47 mod 56.
1
47, 103, 271, 383, 439, 607, 719, 887, 1223, 1279, 1447, 1559, 1783, 1951, 2063, 2287, 2399, 2791, 2903, 3407, 3463, 3631, 3911, 3967, 4079, 4583, 4639, 4751, 4919, 5087, 5479, 5591, 5647, 5927, 6151, 6263, 6599, 6823, 6991, 7103, 7159, 7607, 8111, 8167
OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[1200]], MemberQ[{47}, Mod[#, 56]] &] (* Vincenzo Librandi, Sep 01 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(9000) | p mod 56 eq 47 ]; // Vincenzo Librandi, Sep 01 2012
CROSSREFS
Cf. A000040.
Sequence in context: A211331 A141961 A357746 * A374580 A216067 A124096
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved