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A074350
Numbers n such that n and the n-th prime have the same digits.
4
321, 1384, 1395, 2632, 3751, 4980, 5790, 6106, 6331, 6347, 6397, 6432, 6457, 6581, 6714, 6780, 6931, 7119, 7192, 7341, 7345, 7384, 7795, 7908, 8305, 8351, 8355, 9154, 9551, 10126, 10136, 10169, 10217, 10391, 10396, 10703, 12337, 12434, 12933, 13054, 13074
OFFSET
1,1
LINKS
Michael S. Branicky, Table of n, a(n) for n = 1..10000 (terms 1..1000 from Vincenzo Librandi)
EXAMPLE
Prime(1384) = 11483 which has the same digits as 1384, so 1384 belongs to the sequence.
MATHEMATICA
Select[Range[10^4], Union[IntegerDigits[ # ]] == Union[IntegerDigits[Prime[ # ]]] &]
PROG
(Python)
from sympy import nextprime
from itertools import islice
def agen():
k, pk = 1, 2
while True:
if set(str(k)) == set(str(pk)): yield k
k, pk = k+1, nextprime(pk)
print(list(islice(agen(), 41))) # Michael S. Branicky, Jul 06 2022
CROSSREFS
Cf. A000040.
Sequence in context: A268517 A228226 A004927 * A144124 A090101 A105952
KEYWORD
base,nonn
AUTHOR
Joseph L. Pe, Sep 23 2002
EXTENSIONS
More terms from Vincenzo Librandi, Feb 02 2014
STATUS
approved