OFFSET
1,1
COMMENTS
The same as A045461 except for the initial 7 (the only prime congruent to 0 mod 7). - Alonso del Arte, Feb 18 2012
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[120]], MemberQ[{1, 4}, Mod[#, 7]] &] (* Alonso del Arte, based on Orlovsky's program for A042992, Feb 18 2012 *)
PROG
(Magma) [ p: p in PrimesUpTo(1000) | p mod 7 in {1, 4} ]; // Vincenzo Librandi, Aug 06 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved