Search: id:A030446
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%I A030446
%S A030446 1,1,6,35,290,2680,26379,267598,2758016,28749456,302120154
%N A030446 Number of n-celled polyknights (polyominoes connected by knight's moves).
%C A030446 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.
%C A030446 These are free polyknights.
%Y A030446 Cf. A030445, A030444, A030447, A030448.
%Y A030446 Sequence in context: A145145 A087631 A167579 this_sequence A093989 A051337 
               A152128
%Y A030446 Adjacent sequences: A030443 A030444 A030445 this_sequence A030447 A030448 
               A030449
%K A030446 nonn
%O A030446 1,3
%A A030446 Dave Wilson
%E A030446 Corrected and extended by Joseph S. Myers (jsm(AT)polyomino.org.uk), 
               May 21, 2004

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