A365565 Number of free n-polysticks (or polyedges) in arbitrary dimension.

1, 2, 7, 31, 205, 1779

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Index entries for sequences related to polyominoes.

Crossrefs

Row sums of A365566.

Cf. A005519, A019988 (2 dimensions), A365559 (3 dimensions), A365561 (4 dimensions), A365563 (5 dimensions).

Sequence in context: A046907 A365561 A365563 * A091312 A118581 A102159

Adjacent sequences: A365562 A365563 A365564 * A365566 A365567 A365568

Keyword

nonn,hard,more

Author

Pontus von Brömssen, Sep 09 2023

Status

approved