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 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A180517 Primes that become a different prime under the mapping 0 <=> 2. 46
23, 107, 127, 211, 223, 227, 241, 271, 283, 401, 421, 503, 523, 809, 829, 1009, 1013, 1021, 1031, 1049, 1091, 1097, 1103, 1109, 1123, 1129, 1201, 1213, 1229, 1231, 1249, 1291, 1297, 1301, 1307, 1321, 1327, 1409, 1429, 1601, 1607, 1621, 1627, 2003, 2011 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

Index to Primes, Primes that become a different prime under some mapping.

MATHEMATICA

fQ[n_] := Block[{id = IntegerDigits@n}, (MemberQ[id, 0] || MemberQ[id, 2]) && PrimeQ[ FromDigits[ id /. {0 -> 2, 2 -> 0}] ]]; Select[ Prime@ Range@ 350, fQ]

CROSSREFS

Cf. A171014, A175791, A180517 thru A180559, A175789, A180560, A180561.

Sequence in context: A044274 A044655 A231439 * A142244 A139912 A176928

Adjacent sequences: A180514 A180515 A180516 * A180518 A180519 A180520

KEYWORD

base,nonn

AUTHOR

Zak Seidov and Robert G. Wilson v, Sep 09 2010

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 7 14:31 EST 2022. Contains 358656 sequences. (Running on oeis4.)