A171023 In the sequence of prime numbers, replace all the '5' digits with '0' and vice versa.

2, 3, 0, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 3, 9, 61, 67, 71, 73, 79, 83, 89, 97, 151, 153, 157, 159, 113, 127, 131, 137, 139, 149, 101, 107, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 201, 207, 263, 269

Offset

1,1

Links

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

Mathematica

FromDigits[IntegerDigits[#]/.{5->p, 0->q}/.{p->0, q->5}]&/@Prime[Range[100]] (* Vincenzo Librandi, Apr 07 2013 *)

Prog

(PARI) a(n)=my(v=[5, 1, 2, 3, 4, 0, 6, 7, 8, 9]); subst(Pol(apply(k->v[k+1], digits(prime(n)))), 'x, 10) \\ Charles R Greathouse IV, Jul 16 2013

Crossrefs

Sequence in context: A378991 A185963 A059034 * A120473 A019911 A173344

Adjacent sequences: A171020 A171021 A171022 * A171024 A171025 A171026

Keyword

nonn,base,easy

Author

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

Status

approved