A045874 - OEIS

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A045874

a(1)=1, a(n) is smallest multiple of n with same beginning as a(n-1).

%I #3 Mar 31 2012 13:22:19

%S 1,10,102,1020,1020,1020,10206,102064,1020645,10206450,102064501,

%T 1020645012,10206450124,1020645012408,10206450124080,10206450124080,

%U 1020645012408001,10206450124080012,102064501240800126

%N a(1)=1, a(n) is smallest multiple of n with same beginning as a(n-1).

%K base,easy,nonn

%O 1,2

%A _Erich Friedman_