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A171033 In the sequence of prime numbers, replace all the '6' digits with '5' and vice versa. 3
2, 3, 6, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 63, 69, 51, 57, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 161, 167, 153, 157, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 261, 267, 253 (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[#]/.{6->p, 5->q}/.{p->5, q->6}]&/@Prime[Range[100]] (* Vincenzo Librandi, Apr 07 2013 *)

PROG

(PARI) a(n)=my(v=[0, 1, 2, 3, 4, 6, 5, 7, 8, 9]); subst(Pol(apply(k->v[k+1], digits(prime(n)))), 'x, 10) \\ Charles R Greathouse IV, Jul 25 2013

CROSSREFS

Sequence in context: A056825 A070757 A056956 * A269983 A323066 A002256

Adjacent sequences:  A171030 A171031 A171032 * A171034 A171035 A171036

KEYWORD

nonn,base,easy

AUTHOR

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

STATUS

approved

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Last modified January 26 13:02 EST 2022. Contains 350598 sequences. (Running on oeis4.)