A377129 Number of polycubes of size n and symmetry class CCC.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 2, 1, 0, 0, 3, 0, 2, 2, 2, 0, 1, 1, 9, 2, 0, 0, 14, 1, 7, 5, 10, 1, 4, 4, 31, 6, 6, 4, 42, 4, 25, 13, 45, 9, 15, 13, 111, 20, 28, 21, 143, 14, 95, 44, 175, 34, 64, 44, 401, 68, 111, 76, 482

Offset

1,28

Comments

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

Links

Table of n, a(n) for n=1..80.

John Mason, Counting free polycubes

Crossrefs

Cf. A000162, A038119.

Sequence in context: A363900 A209777 A356931 * A356864 A145677 A128229

Adjacent sequences: A377126 A377127 A377128 * A377130 A377131 A377132

Keyword

nonn

Author

John Mason, Oct 17 2024

Status

approved