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A051826 Number of numbers below 10^n with nonzero multiplicative digital root 6. 1

%I

%S 1,15,213,2337,23231,231651,2349105,23926057,242539688,2437578213,

%T 24286001675,240505616138,2376317894981,23497985025226,

%U 232875555403623,2312981893109766

%N Number of numbers below 10^n with nonzero multiplicative digital root 6.

%D William Mayne, sci.math, Jun 15 1991

%F # { i : 10^(n-1) < i < 10^n and A051802(i)=6 }

%Y Cf. A051802, A051808, A051817.

%K nonn,base,hard

%O 1,2

%A _Dan Hoey_, Dec 09 1999

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Last modified August 6 18:25 EDT 2020. Contains 336256 sequences. (Running on oeis4.)