A103174 Numbers k with increasing digits such that the digits of k appear among the digits of the k-th prime number.

7, 5789, 234567, 345679

Offset: 1

Author

Labos Elemer, Feb 28 2005

Keywords

• base
• full
• fini
• nonn

Comments

We assume digits of k are in increasing order. No terms < 10^7.

Sequence is complete. - Giovanni Resta, Apr 29 2017

Examples

			n: {7, 5789, 234567, 345679}
prime(n): {17, 57089, 3264857, 4956733}
		

Crossrefs

Cf. A080794, A068575, A075902.

Programs

Mathematica

Select[Rest@ Union[FromDigits /@ Subsets@ Range@ 9], SubsetQ @@ IntegerDigits@ {Prime@#, #} &] (* Giovanni Resta, Apr 29 2017 *)

Extensions

Definition edited by Giovanni Resta, May 01 2017