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!)
A242476 Primes p such that p + 22 is also prime. 4
7, 19, 31, 37, 61, 67, 79, 109, 127, 151, 157, 211, 229, 241, 271, 331, 337, 367, 379, 397, 409, 421, 439, 457, 487, 499, 541, 547, 571, 577, 619, 631, 661, 739, 751, 787, 859, 907, 919, 991, 997, 1009, 1039, 1069, 1087, 1129, 1171, 1201, 1237, 1279, 1297 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Prime[Range[900]], PrimeQ[# + 22] &]

PROG

(MAGMA) [p: p in PrimesUpTo(1500)| IsPrime(p+22)];

CROSSREFS

Cf. A033560, A079021, A153419.

Sequence in context: A272404 A274971 A040045 * A079021 A216133 A079740

Adjacent sequences:  A242473 A242474 A242475 * A242477 A242478 A242479

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, May 21 2014

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 July 30 17:21 EDT 2021. Contains 346359 sequences. (Running on oeis4.)