login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A142549 Primes congruent to 19 mod 53. 1
19, 337, 443, 761, 1291, 1609, 2351, 3517, 3623, 4153, 4259, 4789, 5107, 5531, 5743, 5849, 6379, 6803, 7121, 7333, 7757, 8287, 8923, 9029, 9241, 10301, 10513, 10831, 10937, 11149, 11467, 12421, 12527, 12739, 13163, 13693, 13799, 14011, 14753, 15601, 15919 (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) ~ 52n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[2600]], MemberQ[{19}, Mod[#, 53]] &] (* Vincenzo Librandi, Aug 29 2012 *)

Select[Range[19, 16000, 53], PrimeQ] (* Harvey P. Dale, Jul 20 2022 *)

PROG

(Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 19]; // Vincenzo Librandi, Aug 29 2012

(PARI) is(n)=isprime(n) && n%53==19 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A093973 A345963 A202043 * A049629 A162805 A049664

Adjacent sequences:  A142546 A142547 A142548 * A142550 A142551 A142552

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 7 12:03 EDT 2022. Contains 357271 sequences. (Running on oeis4.)