A077209 - OEIS

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

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OFFSET

0,1

COMMENTS

Are there terms using digits greater than 2?

LINKS

Table of n, a(n) for n=0..22.

CROSSREFS

Cf. A077208.

Sequence in context: A111128 A213827 A129556 * A369754 A068045 A188530

Adjacent sequences: A077206 A077207 A077208 * A077210 A077211 A077212

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Nov 02 2002

EXTENSIONS

More terms from Michel ten Voorde Jun 13 2003

STATUS

approved