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A077209
a(1) = 2, then the smallest squarefree number greater than the previous term that begins with the end of the previous term.
2
2, 21, 101, 102, 201, 1001, 1002, 2001, 10001, 10002, 20001, 100001, 100002, 200001, 1000001, 1000002, 2000001, 10000001, 10000002, 20000001, 100000001, 100000002, 200000001
OFFSET
0,1
COMMENTS
Are there terms using digits greater than 2?
CROSSREFS
Cf. A077208.
Sequence in context: A111128 A213827 A129556 * A369754 A068045 A188530
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 02 2002
EXTENSIONS
More terms from Michel ten Voorde Jun 13 2003
STATUS
approved