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!)
A167281 Primes containing the string 555. 5
5557, 15551, 15559, 45553, 45557, 55501, 55511, 55529, 55541, 55547, 55579, 55589, 65551, 65557, 75553, 75557, 105557, 115553, 125551, 135559, 155501, 155509, 155521, 155537, 155539, 155557, 155569, 155579, 155581, 155593, 155599, 165551 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

p555Q[n_] := Module[{idn=IntegerDigits[n]}, MemberQ[Partition[idn, 3, 1], {5, 5, 5}]]; Select[Prime[Range[16000]], p555Q] (* Vincenzo Librandi, Sep 15 2013 *)

CROSSREFS

Cf. A166571 - A166573, A166579 - A166582.

Sequence in context: A203336 A045104 A043512 * A252907 A300818 A252154

Adjacent sequences:  A167278 A167279 A167280 * A167282 A167283 A167284

KEYWORD

nonn,base

AUTHOR

Vincenzo Librandi, Nov 01 2009

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 July 6 14:10 EDT 2022. Contains 355110 sequences. (Running on oeis4.)