Search: id:A019546
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%I A019546
%S A019546 2,3,5,7,23,37,53,73,223,227,233,257,277,337,353,373,523,557,577,727,
%T A019546 733,757,773,2237,2273,2333,2357,2377,2557,2753,2777,3253,3257,3323,
%U A019546 3373,3527,3533,3557,3727,3733,5227,5233,5237,5273,5323,5333,5527,5557
%N A019546 Primes whose digits are primes.
%D A019546 H. Ibstedt, A Few Smarandache Integer Sequences, Smarandache Notions 
               Journal, Vol. 8, No. 1-2-3, 1997, pp. 171-183.
%D A019546 Sylvester Smith, "A Set of Conjectures on Smarandache Sequences", Bulletin 
               of Pure and Applied Sciences, (Bombay, India), Vol. 15 E (No. 1), 
               1996, pp. 101-107.
%H A019546 M. L. Perez et al., eds., <a href="http://www.gallup.unm.edu/~smarandache/
               ">Smarandache Notions Journal</a>
%H A019546 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               SmarandacheSequences.html">Link to a section of The World of Mathematics.</
               a>
%o A019546 (PARI) primedigits(n) = { local(ln,x,flag,j,y); forprime(x=2,n, ln=length(Str(x)); 
               y=Vec(Str(x)); flag=0; for(j=1,ln, if(isprime(eval(y[j])), flag=1,
               flag=0;break) ); if(flag, print1(x",") ) ) } - Cino Hilliard (hillcino368(AT)gmail.com), 
               Aug 06 2006
%Y A019546 Cf. A045336.
%Y A019546 Sequence in context: A074491 A154385 A125525 this_sequence A104179 A096148 
               A124674
%Y A019546 Adjacent sequences: A019543 A019544 A019545 this_sequence A019547 A019548 
               A019549
%K A019546 nonn,base
%O A019546 1,1
%A A019546 R. Muller
%E A019546 More terms from Cino Hilliard (hillcino368(AT)gmail.com), Aug 06 2006

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