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 A171057 In the sequence of prime numbers, replace all the '9' digits with '8' and vice versa. 48
 2, 3, 5, 7, 11, 13, 17, 18, 23, 28, 31, 37, 41, 43, 47, 53, 58, 61, 67, 71, 73, 78, 93, 98, 87, 101, 103, 107, 108, 113, 127, 131, 137, 138, 148, 151, 157, 163, 167, 173, 178, 191, 181, 183, 187, 188, 211, 223, 227, 228, 233, 238, 241, 251, 257, 263 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..10000 MATHEMATICA FromDigits[IntegerDigits[#] /. {9 -> p, 8 -> q} /. {p -> 8, q -> 9}] & /@ Prime[Range[60]] (* Vincenzo Librandi, Mar 01 2013, after Harvey P. Dale in similar sequences *) PROG (PARI) a(n)=my(v=[0, 1, 2, 3, 4, 5, 6, 7, 9, 8]); apply(k->v[k+1], digits(prime(n))) \\ Charles R Greathouse IV, Jul 16 2013 CROSSREFS Sequence in context: A117285 A100546 A117094 * A229786 A242122 A074721 Adjacent sequences:  A171054 A171055 A171056 * A171058 A171059 A171060 KEYWORD nonn,base,easy AUTHOR N. J. A. Sloane and Vincenzo Librandi, Sep 04 2010 STATUS approved

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Last modified September 24 17:09 EDT 2020. Contains 337321 sequences. (Running on oeis4.)