A192075 Number of fixed proper tree 3-dimensional polycubes.

0, 0, 0, 32, 324, 2448, 17041, 116004, 787965, 5380600, 37034319

Offset

1,4

References

Gadi Aleksandrowicz and Gill Barequet, Parallel Enumeration of Lattice Animals, in Frontiers in Algorithmics and Algorithmic Aspects in Information and Management, Lecture Notes in Computer Science, 2011, Volume 6681/2011, 90-99, DOI: 10.1007/978-3-642-21204-8_13.

Links

Table of n, a(n) for n=1..11.

Crossrefs

Sequence in context: A221064 A224161 A224412 * A297611 A201152 A223017

Adjacent sequences: A192072 A192073 A192074 * A192076 A192077 A192078

Keyword

nonn

Author

N. J. A. Sloane, Jun 23 2011

Status

approved