login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A142569 Primes congruent to 39 mod 53. 1
251, 463, 569, 887, 1523, 2053, 2371, 2477, 2689, 3643, 4597, 4703, 5021, 5233, 5657, 5869, 6823, 7247, 7459, 7883, 8731, 8837, 9049, 9473, 9791, 10321, 10427, 10639, 10957, 11593, 11699, 12547, 12653, 13183, 14243, 14561, 14879, 15091, 15727, 16363, 16787 (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 04 2016

MATHEMATICA

Select[Prime[Range[2600]], MemberQ[{39}, Mod[#, 53]] &] (* Vincenzo Librandi, Aug 30 2012 *)

Select[Range[39, 20000, 53], PrimeQ] (* Harvey P. Dale, Sep 29 2013 *)

PROG

(MAGMA) [p: p in PrimesUpTo(20000) | p mod 53 eq 39]; // Vincenzo Librandi, Aug 30 2012

(PARI) is(n)=isprime(n) && n%53==39 \\ Charles R Greathouse IV, Jul 04 2016

CROSSREFS

Cf. A000040.

Sequence in context: A142419 A161854 A234928 * A142742 A142924 A107696

Adjacent sequences:  A142566 A142567 A142568 * A142570 A142571 A142572

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 1 09:53 EDT 2020. Contains 334762 sequences. (Running on oeis4.)