login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A163396 Primes in carryless arithmetic mod 10 in which all digits except the rightmost are even. 5

%I

%S 21,23,25,27,29,41,43,45,47,49,61,63,65,67,69,81,83,85,87,89,201,209,

%T 227,229,241,243,261,263,287,289,403,407,421,427,443,449,463,469,481,

%U 487,603,607,623,629,641,647,661,667,683,689,801,809,821

%N Primes in carryless arithmetic mod 10 in which all digits except the rightmost are even.

%C These are called e-type primes.

%H <a href="/index/Ca#CARRYLESS">Index entries for sequences related to carryless arithmetic</a>

%Y A169887 = A163396 union A169984.

%K nonn,base

%O 1,1

%A _David Applegate_, _Marc LeBrun_ and _N. J. A. Sloane_, Aug 24 2010

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 October 14 09:25 EDT 2019. Contains 327995 sequences. (Running on oeis4.)