|
|
A171033
|
|
In the sequence of prime numbers, replace all the '6' digits with '5' and vice versa.
|
|
3
|
|
|
2, 3, 6, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 63, 69, 51, 57, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 161, 167, 153, 157, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 261, 267, 253
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
MATHEMATICA
|
FromDigits[IntegerDigits[#]/.{6->p, 5->q}/.{p->5, q->6}]&/@Prime[Range[100]] (* Vincenzo Librandi, Apr 07 2013 *)
|
|
PROG
|
(PARI) a(n)=my(v=[0, 1, 2, 3, 4, 6, 5, 7, 8, 9]); subst(Pol(apply(k->v[k+1], digits(prime(n)))), 'x, 10) \\ Charles R Greathouse IV, Jul 25 2013
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|