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%I #10 Dec 04 2023 16:43:42
%S 3,42,910,22707,614535
%N Number of fixed polyominoids with n cells, allowing any corner-connections and right-angled edge-connections.
%C See A365995 for further details and a table of related sequences.
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Polyominoid">Polyominoid</a>.
%H <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%Y Cf. A365995, A366009 (free).
%Y 29th row of A366767.
%K nonn,hard,more
%O 1,1
%A _Pontus von Brömssen_, Sep 28 2023