Search: id:A051812
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%I A051812
%S A051812 1,5,24,243,3048,35224,374890,3766188,36537927,348892847,
%T A051812 3315037530,31399344551,295789894509,2769886220702,
%U A051812 25882768895688,243033400452156
%N A051812 Number of n-digit numbers with nonzero multiplicative digital root 1.
%C A051812 Not counting zero as a one-digit number
%D A051812 William Mayne, sci.math, Jun 15 1991
%F A051812 # { i : 10^(n-1) < i < 10^n and A051802(i)=1 }
%Y A051812 Cf. A051802, A051803, A051821.
%Y A051812 Sequence in context: A009676 A027851 A120765 this_sequence A003224 A156310 
               A142725
%Y A051812 Adjacent sequences: A051809 A051810 A051811 this_sequence A051813 A051814 
               A051815
%K A051812 nonn,base,hard
%O A051812 1,2
%A A051812 Dan Hoey (Hoey(AT)AIC.NRL.Navy.Mil), Dec 09 1999

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