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%I #16 Jan 13 2023 09:12:09
%S 1,4,28,234,2162,21272,218740,2323730,25314097,281299736,3176220308,
%T 36332751862,420086210688
%N Number of fixed n-celled polyzebras (or zebra-move-connected polyominoes).
%C A polyzebra is a (2,3) leaper. A polyzebra need not be connected in the usual edge-connected sense.
%Y Cf. A030444 (polyknights), A093989, A093990, A093991, A093992.
%K nonn,more
%O 1,2
%A Guenter Stertenbrink (Sterten(AT)aol.com), May 21 2004
%E a(11) from _Joseph Myers_, May 21 2004
%E a(12) (computed by Gadi Aleksandrowicz's program) by _Gill Barequet_, Jun 09 2011
%E a(13) from _John Mason_, Jan 13 2023
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