A171029 In the sequence of prime numbers, replace all the '6' digits with '1' and vice versa.

2, 3, 5, 7, 66, 63, 67, 69, 23, 29, 36, 37, 46, 43, 47, 53, 59, 16, 17, 76, 73, 79, 83, 89, 97, 606, 603, 607, 609, 663, 627, 636, 637, 639, 649, 656, 657, 613, 617, 673, 679, 686, 696, 693, 697, 699, 266, 223, 227, 229, 233, 239, 246, 256, 257, 213

Offset

1,1

Links

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

Mathematica

FromDigits[IntegerDigits[#]/.{6->p, 1->q}/.{p->1, q->6}]&/@Prime[Range[100]] (* Vincenzo Librandi, Apr 07 2013 *)

Prog

(PARI) a(n)=my(v=[0, 6, 2, 3, 4, 5, 1, 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: A048402 A237440 A237441 * A241723 A090717 A090715

Adjacent sequences: A171026 A171027 A171028 * A171030 A171031 A171032

Keyword

nonn,base,easy

Author

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

Status

approved