A191094 Number of n-cell fixed tree-like polycubes in 4 dimensions

1, 4, 28, 228, 2018, 18892, 184400, 1857856, 19189675, 202214452

Offset

1,2

References

G. Aleksandrowicz and G. Barequet, Parallel enumeration of lattice animals, Proc. 5th Int. Frontiers of Algorithmics Workshop, Zhejiang, China, Lecture Notes in Computer Science, 6681, Springer-Verlag, 90-99, May 2011.

Links

Table of n, a(n) for n=1..10.

Gill Barequet, Gil Ben-Shachar, Martha Carolina Osegueda, Applications of Concatenation Arguments to Polyominoes and Polycubes, EuroCG '20, 36th European Workshop on Computational Geometry, (Würzburg, Germany, 16-18 March 2020).

Crossrefs

Cf. A066158 (fixed tree-like polyominoes), A118356, A191095, A191096, A191097, A191098 (fixed tree-like polycubes in 3, 5, 6, 7, and 8 dimensions, resp.).

Sequence in context: A192620 A180708 A370187 * A220876 A152599 A199579

Adjacent sequences: A191091 A191092 A191093 * A191095 A191096 A191097

Keyword

nonn,more,hard

Author

Gill Barequet, May 25 2011

Status

approved