A142196 Primes congruent to 33 mod 40.

73, 113, 193, 233, 313, 353, 433, 593, 673, 953, 1033, 1153, 1193, 1433, 1553, 1753, 1873, 1913, 1993, 2113, 2153, 2273, 2393, 2473, 2593, 2633, 2713, 2753, 2833, 2953, 3313, 3433, 3593, 3673, 3793, 3833, 4073, 4153, 4273, 4513, 4673, 4793, 4993, 5113, 5153

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Formula

a(n) ~ 16n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[2000]], MemberQ[{33}, Mod[#, 40]]&] (* Vincenzo Librandi, Aug 22 2012 *)
Select[Range[33, 5200, 40], PrimeQ] (* Harvey P. Dale, Dec 16 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(7000) | p mod 40 eq 33 ]; // Vincenzo Librandi, Aug 22 2012
(PARI) is(n)=isprime(n) && n%40==33 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A118220 A144050 A087878 * A215963 A141991 A140742

Adjacent sequences: A142193 A142194 A142195 * A142197 A142198 A142199

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved