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!)
A141925 Primes congruent to 21 mod 23. 4
67, 113, 251, 389, 619, 757, 941, 1033, 1171, 1217, 1447, 1493, 1723, 1861, 1907, 1999, 2137, 2459, 2551, 2689, 3011, 3517, 3701, 3793, 3931, 4253, 4391, 4483, 4621, 4759, 4943, 5081, 5449, 6047, 6277, 6323, 6553, 6599, 6691, 6737, 6829, 6967, 7013, 7151 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 22n log n. - Charles R Greathouse IV, Jul 02 2016
MATHEMATICA
Select[Range[21, 20000, 23], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, May 18 2011 *)
PROG
(Magma) [p: p in PrimesUpTo(9000) | p mod 23 eq 21 ]; // Vincenzo Librandi, Aug 16 2012
(PARI) is(n)=isprime(n) && n%23==21 \\ Charles R Greathouse IV, Jul 02 2016
CROSSREFS
Sequence in context: A141889 A289518 A229058 * A187990 A147100 A217180
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 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)