login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A103174
Numbers k with increasing digits such that the digits of k appear among the digits of the k-th prime number.
0
7, 5789, 234567, 345679
OFFSET
1,1
COMMENTS
We assume digits of k are in increasing order. No terms < 10^7.
Sequence is complete. - Giovanni Resta, Apr 29 2017
EXAMPLE
n: {7, 5789, 234567, 345679}
prime(n): {17, 57089, 3264857, 4956733}
MATHEMATICA
Select[Rest@ Union[FromDigits /@ Subsets@ Range@ 9], SubsetQ @@ IntegerDigits@ {Prime@#, #} &] (* Giovanni Resta, Apr 29 2017 *)
CROSSREFS
KEYWORD
base,full,fini,nonn
AUTHOR
Labos Elemer, Feb 28 2005
EXTENSIONS
Definition edited by Giovanni Resta, May 01 2017
STATUS
approved