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A171026 In the sequence of prime numbers, replace all the '5' digits with '3' and vice versa. 3
2, 5, 3, 7, 11, 15, 17, 19, 25, 29, 51, 57, 41, 45, 47, 35, 39, 61, 67, 71, 75, 79, 85, 89, 97, 101, 105, 107, 109, 115, 127, 151, 157, 159, 149, 131, 137, 165, 167, 175, 179, 181, 191, 195, 197, 199, 211, 225, 227, 229, 255, 259, 241, 231, 237, 265 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

FromDigits[IntegerDigits[#]/.{5->p, 3->q}/.{p->3, q->5}]&/@Prime[Range[100]] (* Vincenzo Librandi, Apr 07 2013 *)

PROG

(PARI) a(n)=my(v=[0, 1, 2, 5, 4, 3, 6, 7, 8, 9]); subst(Pol(apply(k->v[k+1], digits(prime(n)))), 'x, 10) \\ Charles R Greathouse IV, Jul 24 2013

CROSSREFS

Sequence in context: A289108 A246364 A083190 * A064359 A309006 A082152

Adjacent sequences:  A171023 A171024 A171025 * A171027 A171028 A171029

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane and Vincenzo Librandi, Sep 04 2010

STATUS

approved

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Last modified October 24 05:38 EDT 2021. Contains 348217 sequences. (Running on oeis4.)