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A171031 In the sequence of prime numbers, replace all the '6' digits with '3' and vice versa. 3
2, 6, 5, 7, 11, 16, 17, 19, 26, 29, 61, 67, 41, 46, 47, 56, 59, 31, 37, 71, 76, 79, 86, 89, 97, 101, 106, 107, 109, 116, 127, 161, 167, 169, 149, 151, 157, 136, 137, 176, 179, 181, 191, 196, 197, 199, 211, 226, 227, 229, 266, 269, 241, 251, 257, 236 (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, 3->q}/.{p->3, q->6}]&/@Prime[Range[100]] (* Vincenzo Librandi, Apr 07 2013 *)

PROG

(PARI) a(n)=my(v=[0, 1, 2, 6, 4, 5, 3, 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: A188594 A107822 A094514 * A199159 A175293 A021083

Adjacent sequences:  A171028 A171029 A171030 * A171032 A171033 A171034

KEYWORD

nonn,base,easy

AUTHOR

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

STATUS

approved

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Last modified August 12 21:10 EDT 2020. Contains 336440 sequences. (Running on oeis4.)