A133803 Floor log A055213(n).

4, 8, 12, 15, 18, 21, 24, 26, 29, 31, 33, 35, 38, 39, 41

Offset

1,1

References

Jonathan Schaeffer, N. Burch, Yngvi Bjornsson, Akihiro Kishimoto, Martin Muller, Rob Lake, Paul Lu and Steve Sutphen. "Checkers Is Solved", Science, Vol. 317, September 14, 2007, pp. 1518-1522.

Links

Table of n, a(n) for n=1..15.

Formula

Floor log A055213(n), the number of positions in the game of checkers.

Example

a(2) = 8 = floor log A055213(2), where A055213(2) = 6972.

Crossrefs

Cf. A055213.

Sequence in context: A073432 A311090 A311091 * A311092 A311093 A311094

Adjacent sequences: A133800 A133801 A133802 * A133804 A133805 A133806

Keyword

nonn

Author

Gary W. Adamson, Sep 23 2007

Status

approved