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A030448 Number of n-celled polyknights without bilateral symmetry. 4

%I #12 Jan 13 2023 06:32:00

%S 0,1,2,33,260,2648,26105,267195,2755322,28744852,302092789,3196248508,

%T 34007055286

%N Number of n-celled polyknights without bilateral symmetry.

%C A polyknight is a variant of a polyomino in which two tiles a knight's move apart are considered adjacent. A polyknight need not be connected in the sense of a polyomino.

%Y Cf. A030445, A030444, A030446, A030447.

%K nonn,more

%O 1,3

%A _David W. Wilson_

%E Corrected and extended by _Joseph Myers_, May 21 2004

%E a(12)-a(13) from _John Mason_, Jan 13 2023

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)