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 A029980 Primes that are palindromic in base 13. 3
 2, 3, 5, 7, 11, 313, 353, 379, 431, 457, 523, 601, 653, 719, 797, 823, 863, 941, 967, 1033, 1163, 1229, 1307, 1373, 1399, 1451, 1543, 1621, 1987, 2053, 2131, 30941, 33151, 33827, 34841, 36037, 36713, 37571, 38923, 42667, 44201, 45553, 46411 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS John Cerkan, Table of n, a(n) for n = 1..10000 P. De Geest, World!Of Palindromic Primes MATHEMATICA f[n_]:=FromDigits[RealDigits[n, 13][[1]]]==FromDigits[Reverse[RealDigits[n, 13][[1]]]]; lst={}; Do[p=Prime[n]; If[f[p], AppendTo[lst, p]], {n, 8!}]; lst (* Vladimir Joseph Stephan Orlovsky, Aug 10 2009 *) Select[Prime[Range[5000]], IntegerDigits[#, 13]==Reverse[ IntegerDigits[ #, 13]]&] (* Harvey P. Dale, May 05 2017 *) PROG (PARI) isok(n) = if (isprime(n), my(d=digits(n, 13)); d == Vecrev(d)); \\ Michel Marcus, May 16 2017 CROSSREFS Sequence in context: A186449 A235000 A067906 * A046481 A082625 A030286 Adjacent sequences:  A029977 A029978 A029979 * A029981 A029982 A029983 KEYWORD nonn,base AUTHOR STATUS approved

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Last modified August 17 07:59 EDT 2017. Contains 290635 sequences.