A365365 Number of free 4-dimensional polyhypercubes with n cells, allowing edge-, face-, and 3-face-connections.

1, 3, 20, 430, 16845

Offset

1,2

Links

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

Index entries for sequences related to polyominoes.

Crossrefs

146th row of A366766.

Cf. A068870.

See A365366 for a table of similar sequences.

Sequence in context: A203194 A322455 A138897 * A189603 A203228 A174972

Adjacent sequences: A365362 A365363 A365364 * A365366 A365367 A365368

Keyword

nonn,hard,more

Author

Pontus von Brömssen, Sep 03 2023

Status

approved