A077209 a(1) = 2, then the smallest squarefree number greater than the previous term that begins with the end of the previous term.

2, 21, 101, 102, 201, 1001, 1002, 2001, 10001, 10002, 20001, 100001, 100002, 200001, 1000001, 1000002, 2000001, 10000001, 10000002, 20000001, 100000001, 100000002, 200000001

Offset: 0

Author

Amarnath Murthy, Nov 02 2002

Keywords

• base
• nonn

Comments

Are there terms using digits greater than 2?

Crossrefs

Cf. A077208.

Extensions

More terms from Michel ten Voorde Jun 13 2003