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Number of k < 10^n such that A047988(k) = 1.
4

%I #7 Feb 04 2017 01:21:14

%S 6,71,686,6598,63449,614400,5952657,58088295,568932663,5588087493,

%T 54968844332,541664112990

%N Number of k < 10^n such that A047988(k) = 1.

%D Thomas Kantke, Mathematische Unterhaltungen, in: Spektrum der Wissenschaft 4/1993, p. 11-13.

%D Thomas Kantke, Das Spiel Minimum, in: Spektrum der Wissenschaft Spezial Physik - Mathematik - Technik 2/2012, pp. 57-66.

%Y Cf. A047984, A047988, A212524, A213531, A213532, A213533.

%K nonn

%O 1,1

%A _Martin Renner_, Jun 13 2012