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A213533 Number of k < 10^n such that A047988(k) = 4. 4

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

%S 0,0,0,0,0,0,3,19,183,1601,14598,130117

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

%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. A047987, A047988, A212524, A213530, A213531, A213532.

%K nonn

%O 1,7

%A _Martin Renner_, Jun 13 2012

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)