A171026 In the sequence of prime numbers, replace all the '5' digits with '3' and vice versa.

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

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: A246364 A352774 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