A077209 - OEIS

%I #6 Jan 08 2019 09:12:41

%S 2,21,101,102,201,1001,1002,2001,10001,10002,20001,100001,100002,

%T 200001,1000001,1000002,2000001,10000001,10000002,20000001,100000001,

%U 100000002,200000001

%N a(1) = 2, then the smallest squarefree number greater than the previous term that begins with the end of the previous term.

%C Are there terms using digits greater than 2?

%Y Cf. A077208.

%K base,nonn

%O 0,1

%A _Amarnath Murthy_, Nov 02 2002

%E More terms from _Michel ten Voorde_ Jun 13 2003