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A141972
Primes congruent to 17 mod 28.
1
17, 73, 101, 157, 241, 269, 353, 409, 521, 577, 661, 773, 829, 857, 941, 997, 1109, 1193, 1249, 1277, 1361, 1613, 1669, 1697, 1753, 1949, 2089, 2341, 2593, 2621, 2677, 2789, 2957, 3041, 3181, 3209, 3433, 3461, 3517, 3769, 3797, 3853, 3881, 4021, 4049, 4133
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 12n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[1500]], MemberQ[{17}, Mod[#, 28]]&] (* Vincenzo Librandi, Aug 17 2012 *)
Select[Range[17, 5000, 28], PrimeQ] (* Harvey P. Dale, Mar 23 2021 *)
PROG
(Magma) [p: p in PrimesUpTo(5000) | p mod 28 eq 17 ]; // Vincenzo Librandi, Aug 17 2012
(PARI) is(n)=isprime(n) && n%28==17 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
CF. A000040.
Sequence in context: A139919 A043194 A043974 * A161735 A142648 A002189
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved