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A366002
Number of fixed polyominoids with n cells, allowing right-angled corner-connections and flat edge-connections.
3
3, 30, 506, 10221, 226845, 5325630
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..6.
Wikipedia, Polyominoid.
Index entries for sequences related to polyominoes.
CROSSREFS
See A365995 for further details and a table of related sequences.
Cf. A366001 (free).
24th row of A366767.
Sequence in context: A354261 A201466 A064352 * A338278 A144739 A185827
Adjacent sequences: A365999 A366000 A366001 * A366003 A366004 A366005
KEYWORD
nonn,hard,more
AUTHOR
Pontus von Brömssen, Sep 26 2023
STATUS
approved

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Last modified November 7 15:02 EST 2024. Contains 377536 sequences.
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