A365653 Number of fixed n-polyominoids, allowing corner-connections only.

3, 30, 554, 12453, 308313, 8055534, 218227200, 6071165262

Offset

1,1

Links

Table of n, a(n) for n=1..8.

Index entries for sequences related to polyominoes.

Crossrefs

Cf. A075678 (polyominoids, edge-connections only), A365651 (corner- and edge-connections), A365652 (free).

27th row of A366767.

Sequence in context: A370057 A300617 A379685 * A301663 A395833 A319940

Adjacent sequences: A365650 A365651 A365652 * A365654 A365655 A365656

Keyword

nonn,hard,more

Author

Pontus von Brömssen, Sep 17 2023

Extensions

a(7)-a(8) from Pontus von Brömssen, Nov 02 2025

Status

approved