A242907 - OEIS

A242907

a(n+1) is the smallest prime > a(n) such that the digits of a(n) are all (with multiplicity) contained in the digits of a(n+1), with a(1)=7.

%I #4 May 26 2014 10:34:53

%S 7,17,71,107,701,1087,8017,10487,10847,14087,18047,48017,70481,70841,

%T 78041,78401,80147,80471,81047,84017,84701,87041,100847,104087,184007,

%U 400187,400871,401087,407801,408071,408701,410087,410807,418007,470081,478001,480017

%N a(n+1) is the smallest prime > a(n) such that the digits of a(n) are all (with multiplicity) contained in the digits of a(n+1), with a(1)=7.

%Y Cf. A242904, A242905, A242906.

%K nonn,base

%O 1,1

%A _Michel Lagneau_, May 26 2014