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A171022
In the sequence of prime numbers, replace all the '4' digits with '3' and vice versa.
3
2, 4, 5, 7, 11, 14, 17, 19, 24, 29, 41, 47, 31, 34, 37, 54, 59, 61, 67, 71, 74, 79, 84, 89, 97, 101, 104, 107, 109, 114, 127, 141, 147, 149, 139, 151, 157, 164, 167, 174, 179, 181, 191, 194, 197, 199, 211, 224, 227, 229, 244, 249, 231, 251, 257, 264
OFFSET
1,1
LINKS
MATHEMATICA
FromDigits[IntegerDigits[#]/.{4->p, 3->q}/.{p->3, q->4}]&/@Prime[Range[100]] (* Vincenzo Librandi, Apr 07 2013 *)
PROG
(PARI) a(n)=my(v=[0, 1, 2, 4, 3, 5, 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: A039673 A097581 A090614 * A373030 A097697 A035620
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved