A376988 Number of polycubes of size n and symmetry class EF.

0, 0, 0, 0, 0, 1, 1, 2, 3, 6, 7, 13, 20, 32, 43, 71, 109, 162, 226, 363, 553, 811

Offset

1,8

Comments

See link "Counting free polycubes" for explanation of notation.

Links

Table of n, a(n) for n=1..22.

John Mason, Counting free polycubes

Crossrefs

Cf. A000162, A038119.

Sequence in context: A294916 A233423 A328024 * A309815 A256800 A172105

Adjacent sequences: A376985 A376986 A376987 * A376989 A376990 A376991

Keyword

nonn,more

Author

John Mason, Oct 13 2024

Status

approved