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!)
A142281 Primes congruent to 32 mod 43. 1
419, 677, 1021, 1193, 1279, 1451, 1709, 2053, 2311, 2741, 2999, 3257, 3343, 4289, 4547, 5407, 5923, 6353, 6869, 7127, 7213, 7643, 7901, 8761, 8933, 9277, 10223, 10567, 10739, 11083, 12373, 12889, 13147, 13577, 13921, 14437, 14867, 15383, 15641, 15727, 16673 (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) ~ 42n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[2500]], Mod[#, 43]==32&]  (* Harvey P. Dale, Jan 13 2011 *)

Select[Prime[Range[5000]], MemberQ[{32}, Mod[#, 43]]&] (* Vincenzo Librandi, Aug 25 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(17000) | p mod 43 eq 32 ]; // Vincenzo Librandi, Aug 25 2012

(PARI) is(n)=isprime(n) && n%43==32 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A138062 A097233 A233551 * A242281 A142733 A060230

Adjacent sequences:  A142278 A142279 A142280 * A142282 A142283 A142284

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 September 22 22:24 EDT 2020. Contains 337291 sequences. (Running on oeis4.)