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A030448 Number of n-celled polyknights without bilateral symmetry. +0
5
0, 1, 2, 33, 260, 2648, 26105, 267195, 2755322, 28744852, 302092789 (list; graph; listen)
OFFSET

1,3

COMMENT

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.

CROSSREFS

Cf. A030445, A030444, A030446, A030447.

Sequence in context: A052403 A006558 A002561 this_sequence A093992 A100023 A119300

Adjacent sequences: A030445 A030446 A030447 this_sequence A030449 A030450 A030451

KEYWORD

nonn

AUTHOR

Dave Wilson

EXTENSIONS

Corrected and extended by Joseph S. Myers (jsm(AT)polyomino.org.uk), May 21, 2004

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.


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