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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
Wikipedia, Polyominoid.
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
KEYWORD
nonn,hard,more
AUTHOR
STATUS
approved

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Last modified August 18 22:11 EDT 2024. Contains 375284 sequences. (Running on oeis4.)