A077521 - OEIS

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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.

%I #7 Dec 05 2013 19:55:53

%S 1,2,30,4110,53430,6037590,718473210,802534575570,901246328365110,

%T 1001284670813637210,1104416991907441842630,120381452117911160846670,

%U 130132349739461964875250270,141453864166795155819397043490

%N a(1) = 1, a(n) = smallest squarefree number which begins with n and is a multiple of the previous term.

%K base,nonn

%O 1,2

%A _Amarnath Murthy_, Nov 08 2002

%E Corrected and extended by _Sascha Kurz_, Jan 30 2003