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A142196 Primes congruent to 33 mod 40. 1
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified December 2 20:59 EST 2022. Contains 358510 sequences. (Running on oeis4.)