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A366003
Number of free polyominoids with n cells, allowing right-angled corner-connections and right-angled edge-connections.
4
1, 2, 24, 359, 7882
OFFSET
1,2
COMMENTS
See A365995 for further details and a table of related sequences.
CROSSREFS
Cf. A365995, A366004 (fixed).
25th row of A366766.
Sequence in context: A043699 A220317 A220340 * A134805 A119702 A126804
KEYWORD
nonn,hard,more
AUTHOR
STATUS
approved