A171034 In the sequence of prime numbers, replace all the '7' digits with '0' and vice versa.

2, 3, 5, 0, 11, 13, 10, 19, 23, 29, 31, 30, 41, 43, 40, 53, 59, 61, 60, 1, 3, 9, 83, 89, 90, 171, 173, 170, 179, 113, 120, 131, 130, 139, 149, 151, 150, 163, 160, 103, 109, 181, 191, 193, 190, 199, 211, 223, 220, 229, 233, 239, 241, 251, 250, 263, 269

Offset

1,1

Links

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

Mathematica

FromDigits[IntegerDigits[#]/.{7->p, 0->q}/.{p->0, q->7}]&/@Prime[Range[100]] (* Vincenzo Librandi, Apr 07 2013 *)

Prog

(PARI) a(n)=my(v=[7, 1, 2, 3, 4, 5, 6, 0, 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: A023049 A240979 A368819 * A062007 A031067 A300392

Adjacent sequences: A171031 A171032 A171033 * A171035 A171036 A171037

Keyword

nonn,base,easy

Author

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

Status

approved