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A030448 Number of n-celled polyknights without bilateral symmetry. 4
0, 1, 2, 33, 260, 2648, 26105, 267195, 2755322, 28744852, 302092789, 3196248508, 34007055286 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
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.
LINKS
CROSSREFS
Sequence in context: A228542 A002561 A181547 * A093992 A361887 A294272
KEYWORD
nonn,more
AUTHOR
EXTENSIONS
Corrected and extended by Joseph Myers, May 21 2004
a(12)-a(13) from John Mason, Jan 13 2023
STATUS
approved

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)