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!)
A076890 Number of primes up to n-th palindromic number. 0

%I #3 Oct 02 2013 15:47:20

%S 0,1,2,2,3,3,4,4,4,5,8,11,14,16,18,21,23,25,26,29,30,32,34,36,37,39,

%T 42,43,46,47,47,50,53,54,55,58,60,61,62,65,66,67,68,71,72,74,76,77,79,

%U 80,82,84,86,87,90,91,92,94,96,97,99,99,100,101,103,105,106,108,110,112

%N Number of primes up to n-th palindromic number.

%e a(11)=8 because there are 8 primes up to 11th palindromic number (i.e. 22).

%K base,nonn

%O 1,3

%A _Shyam Sunder Gupta_, Nov 25 2002

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 April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)