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A365998 Number of fixed polyominoids with n cells, allowing flat corner-connections and any edge-connections. 3
3, 24, 296, 4248, 66768, 1113395 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Wikipedia, Polyominoid.
CROSSREFS
See A365995 for further details and a table of related sequences.
Cf. A365997 (free).
22nd row of A366767.
Sequence in context: A301933 A337027 A326001 * A292186 A365567 A258301
KEYWORD
nonn,hard,more
AUTHOR
STATUS
approved

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Last modified April 14 13:58 EDT 2024. Contains 371665 sequences. (Running on oeis4.)