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A121261 Beginning with a(1)=0, a(n) repeated not equal to the product of earlier terms (not distinct). 0

%I

%S 0,0,1,1,2,2,3,3,5,5,7,7,8,8,11,11,12,12,13,13,16,16,17,17,18,18,19,

%T 19,20,20,23,23,27,27,28,28,29,29,30,30,31,31,32,32,36,36,37,37,41,41,

%U 42,42,43,43,44,44,45,45,47,47,48,48,50,50,52,52,53,53,59,59,61,61,63,63

%N Beginning with a(1)=0, a(n) repeated not equal to the product of earlier terms (not distinct).

%K easy,nonn

%O 1,5

%A _Giovanni Teofilatto_, Aug 23 2006

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Last modified October 17 00:35 EDT 2021. Contains 348048 sequences. (Running on oeis4.)