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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
OFFSET
1,1
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