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A077521 a(1) = 1, a(n) = smallest squarefree number which begins with n and is a multiple of the previous term. 0
1, 2, 30, 4110, 53430, 6037590, 718473210, 802534575570, 901246328365110, 1001284670813637210, 1104416991907441842630, 120381452117911160846670, 130132349739461964875250270, 141453864166795155819397043490 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..14.

CROSSREFS

Sequence in context: A030249 A000187 A053851 * A272445 A203309 A090600

Adjacent sequences:  A077518 A077519 A077520 * A077522 A077523 A077524

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Nov 08 2002

EXTENSIONS

Corrected and extended by Sascha Kurz, Jan 30 2003

STATUS

approved

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Last modified June 29 05:16 EDT 2022. Contains 354910 sequences. (Running on oeis4.)