login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A212189 Number of possible symmetrically inequivalent winning opening moves in n X n Hex. 1
1, 1, 3, 2, 7, 12, 14, 16 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..8.

P. Henderson, B. Arneson and R. B. Hayward, Solving 8 X 8 Hex, IJCAI-09: Proceedings of the 21st International Joint Conference on Artificial Intelligence, AAAI Press, 2009, pages 505-510.

CROSSREFS

Cf. A212188.

Sequence in context: A329724 A143332 A255919 * A114647 A234750 A052546

Adjacent sequences:  A212186 A212187 A212188 * A212190 A212191 A212192

KEYWORD

nonn,more

AUTHOR

William Rex Marshall, May 03 2012

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 24 07:28 EDT 2020. Contains 337317 sequences. (Running on oeis4.)