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A171032
In the sequence of prime numbers, replace all the '6' digits with '4' and vice versa.
3
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 61, 63, 67, 53, 59, 41, 47, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 169, 151, 157, 143, 147, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 261, 251, 257, 243
OFFSET
1,1
LINKS
MATHEMATICA
FromDigits[IntegerDigits[#]/.{6->p, 4->q}/.{p->4, q->6}]&/@Prime[Range[100]] (* Vincenzo Librandi, Apr 07 2013 *)
PROG
(PARI) a(n)=my(v=[0, 1, 2, 3, 6, 5, 4, 7, 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: A038612 A012883 A296915 * A171045 A222566 A299171
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved