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!)
A142272 Primes congruent to 23 mod 43. 2
23, 109, 281, 367, 797, 883, 1399, 1571, 1657, 2087, 2689, 2861, 3119, 3463, 4409, 5011, 5441, 5527, 6043, 6301, 6473, 7247, 7333, 7591, 8537, 8623, 9311, 9397, 10343, 10429, 10601, 10687, 10859, 11117, 11633, 11719, 12149, 12923, 13009, 13267, 13697, 14557 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 42n log n. - Charles R Greathouse IV, Jul 02 2016
MATHEMATICA
Select[Prime[Range[5000]], MemberQ[{23}, Mod[#, 43]] &] (* Vincenzo Librandi, Aug 25 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(16000) | p mod 43 eq 23]; // Vincenzo Librandi, Aug 25 2012
(PARI) is(n)=isprime(n) && n%43==23 \\ Charles R Greathouse IV, Jul 02 2016
CROSSREFS
Cf. A000040.
Sequence in context: A139912 A176928 A157607 * A124951 A126410 A356877
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 March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)