A171047 In the sequence of prime numbers, replace all the '8' digits with '6' and vice versa.

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 81, 87, 71, 73, 79, 63, 69, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 183, 187, 173, 179, 161, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 283

Offset

1,1

Links

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

Mathematica

FromDigits[IntegerDigits[#]/.{8->p, 6->q}/.{p->6, q->8}]&/@ Prime[ Range[ 70]] (* Harvey P. Dale, Jul 20 2011 *)

Prog

(PARI) a(n)=my(v=[0, 1, 2, 3, 4, 5, 8, 7, 6, 9]); subst(Pol(apply(k->v[k+1], digits(prime(n)))), 'x, 10) \\ Charles R Greathouse IV, Jul 31 2013

Crossrefs

Sequence in context: A219697 A078668 A038614 * A050246 A229106 A118849

Adjacent sequences: A171044 A171045 A171046 * A171048 A171049 A171050

Keyword

nonn,base,easy

Author

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

Status

approved