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Numbers with nonzero multiplicative digital root 3.
2

%I #6 Feb 13 2017 21:06:15

%S 3,13,30,31,56,65,78,87,103,113,130,131,156,165,178,187,235,247,253,

%T 274,300,301,310,311,325,352,427,472,506,516,523,532,560,561,605,615,

%U 650,651,708,718,724,742,780,781,807,817,870

%N Numbers with nonzero multiplicative digital root 3.

%H <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>.

%F A051802^-1(3)

%Y Part of histogram of A051802.

%K nonn,easy,base

%O 1,1

%A _Dan Hoey_, Dec 09 1999