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A365996 Number of fixed polyominoids with n cells, allowing flat corner-connections and right-angled edge-connections. 2
3, 18, 182, 2211, 29787, 427249 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
See A365995 for further details and a table of related sequences.
LINKS
Wikipedia, Polyominoid.
CROSSREFS
Cf. A365995 (free).
21st row of A366767.
Sequence in context: A132853 A259666 A323502 * A326088 A084879 A141118
KEYWORD
nonn,hard,more
AUTHOR
STATUS
approved

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Last modified May 25 04:52 EDT 2024. Contains 372782 sequences. (Running on oeis4.)