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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
OFFSET
1,2
CROSSREFS
Sequence in context: A000187 A053851 A369681 * A272445 A203309 A371205
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 08 2002
EXTENSIONS
Corrected and extended by Sascha Kurz, Jan 30 2003
STATUS
approved