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A366476
Number of possible chmess games at the end of the n-th ply.
0
OFFSET
0,2
COMMENTS
Chmess is an imaginary game very similar to chess, with the exception that the king can move two squares in any direction instead of just one. To get a(1) = 25 I am assuming the king can jump over an occupied square, but is not allowed to move out and back (which would give a(1) = 26).
REFERENCES
Daniel C. Dennett, Higher-order truths about chmess, Topoi 25 (1-2):39-41 (2006).
Nigel Warburton, Review of "I've Been Thinking" by Daniel C. Dennett (Allen Lane, 2023), TLS #6290 (Oct 20, 2023), pp. 8-9.
LINKS
Daniel C. Dennett, Higher-order truths about chmess, Topoi 25 (1-2):39-41 (2006).
N. J. A. Sloane and others, Anyone for Chmess?, Conversation in the SeqFan Google Group, Oct 14 2024.
CROSSREFS
Sequence in context: A061614 A171330 A097780 * A209222 A207691 A207926
KEYWORD
nonn,more,bref
AUTHOR
N. J. A. Sloane, Oct 26 2023
STATUS
approved