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 A087363 Primes whose decimal digits are twin primes. 11
 3, 5, 7, 37, 53, 73, 337, 353, 373, 557, 577, 733, 757, 773, 3373, 3533, 3557, 3733, 5333, 5557, 5573, 5737, 7333, 7537, 7573, 7577, 7753, 7757, 33353, 33377, 33533, 33577, 33757, 33773, 35353, 35533, 35537, 35573, 35753, 37337, 37357, 37537 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Primes whose decimal digits are odd primes. - Omar E. Pol, Dec 02 2008 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA Flatten[Table[Select[FromDigits/@Tuples[{3, 5, 7}, n], PrimeQ], {n, 6}]] (* Vincenzo Librandi, Jul 28 2012 *) PROG (PARI) pdigitp(n) = { forprime(x=2, n, flag=1; y=x; for(j=1, length(Str(y)), r = y%10; if(r<>3 && r<>5 && r<>7, flag=0); y = floor(y/10); ); if(flag, print1(x", ")); ) } (MAGMA) [p: p in PrimesUpTo(60000) | Set(Intseq(p)) subset [3, 5, 7]]; // Vincenzo Librandi, Jul 28 2012 CROSSREFS Sequence in context: A155034 A126359 A182373 * A234569 A037287 A163797 Adjacent sequences:  A087360 A087361 A087362 * A087364 A087365 A087366 KEYWORD easy,nonn,base AUTHOR Cino Hilliard, Oct 21 2003 EXTENSIONS Corrected by T. D. Noe, Nov 15 2006 Edited by Charles R Greathouse IV, Aug 02 2010 STATUS approved

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Last modified April 24 10:36 EDT 2019. Contains 322424 sequences. (Running on oeis4.)