login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A113615 Primes in which the frequency of every digit is also prime. 1
11, 11177, 11551, 11717, 11777, 12211, 13313, 13331, 14411, 15511, 15551, 16661, 17117, 18181, 19919, 19991, 21121, 21211, 21221, 22111, 22277, 22727, 22777, 27277, 32233, 32323, 33113, 33223, 33311, 33377, 33773, 35353, 35533, 37337 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
11777 is a term as it contains two ones and three sevens.
MATHEMATICA
Select[Prime[Range[10^4]], And @@ PrimeQ /@ Length /@ Split[Sort[IntegerDigits[ # ]]] &] (* Ray Chandler, Nov 11 2005 *)
CROSSREFS
Sequence in context: A066945 A267359 A267940 * A034873 A075854 A050786
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 09 2005
EXTENSIONS
Corrected and extended by Ray Chandler, Nov 11 2005
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 December 11 10:53 EST 2023. Contains 367722 sequences. (Running on oeis4.)