A365651 Number of fixed n-polyominoids, allowing both corner- and edge-connections.

3, 48, 1072, 27732, 781200

Offset

1,1

Links

Table of n, a(n) for n=1..5.

Index entries for sequences related to polyominoes.

Crossrefs

Cf. A001168 (polyominoes), A006770 (polyplets), A075678 (polyominoids), A365650 (free), A365653 (corner-connections only).

30th row of A366767.

Sequence in context: A218382 A195635 A203427 * A320668 A319732 A351424

Adjacent sequences: A365648 A365649 A365650 * A365652 A365653 A365654

Keyword

nonn,hard,more

Author

Pontus von Brömssen, Sep 17 2023

Status

approved