Search: id:A007500
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%I A007500 M0657
%S A007500 2,3,5,7,11,13,17,31,37,71,73,79,97,101,107,113,131,149,151,157,167,179,
%T A007500 181,191,199,311,313,337,347,353,359,373,383,389,701,709,727,733,739,743,
%U A007500 751,757,761,769,787,797,907,919,929,937,941,953,967,971,983,991,1009,
               1021
%N A007500 Primes whose reversal in base 10 is also prime (called "palindromic primes" 
               by D. Wells, although that name usually refers to A002385).
%C A007500 The numbers themselves need not be palindromes.
%C A007500 The range is a subset of the range of A071786. [From Reinhard Zumkeller 
               (reinhard.zumkeller(AT)gmail.com), Jul 06 2009]
%D A007500 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A007500 D. Wells, The Penguin Dictionary of Curious and Interesting Numbers. 
               Penguin Books, NY, 1986, 134.
%H A007500 T. D. Noe, <a href="b007500.txt">Table of n, a(n) for n=1..10000</a>
%t A007500 Select[ Prime[ Range[ 168 ] ], PrimeQ[ FromDigits[ Reverse[ IntegerDigits[ 
               # ] ] ] ]& ] (from Zak Seidov, corrected by T. D. Noe)
%Y A007500 Cf. A006567, A007628.
%Y A007500 Cf. A002385 (primes that are palindromes in base 10)
%Y A007500 Equals A002385 union A006567.
%Y A007500 Complement of A076056 with respect to A000040. [From Reinhard Zumkeller 
               (reinhard.zumkeller(AT)gmail.com), Jul 06 2009]
%Y A007500 Sequence in context: A055387 A061461 A069706 this_sequence A090933 A107845 
               A090934
%Y A007500 Adjacent sequences: A007497 A007498 A007499 this_sequence A007501 A007502 
               A007503
%K A007500 base,nonn,nice
%O A007500 1,1
%A A007500 N. J. A. Sloane (njas(AT)research.att.com), Robert G. Wilson v (rgwv(AT)rgwv.com)
%E A007500 More terms from Larry Reeves (larryr(AT)acm.org), Oct 31 2000
%E A007500 Added further terms to the sequence Avik Roy (avik_3.1416(AT)yahoo.co.in), 
               Jan 16 2009. Checked by N. J. A. Sloane (njas(AT)research.att.com), 
               Jan 20 2009.

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