A213531 Number of k < 10^n such that A047988(k) = 2.

0, 11, 201, 2592, 29916, 328988, 3550745, 37432690, 390065916, 4034529147, 41532029309, 425608837164

Offset

1,2

References

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

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

Links

Table of n, a(n) for n=1..12.

Crossrefs

Cf. A047985, A047988, A212524, A213530, A213532, A213533.

Sequence in context: A305316 A352842 A268959 * A064748 A191556 A091814

Adjacent sequences: A213528 A213529 A213530 * A213532 A213533 A213534

Keyword

nonn

Author

Martin Renner, Jun 13 2012

Status

approved