A122674 Number of trees with n nodes generated from the simple cubic lattice.

1, 1, 2, 8, 35, 240

Offset

1,3

References

J. R. Long and R. H. Holm, Enumeration and structural classification of clusters derived from parent solids ..., J. Amer. Chem. Soc., 116 (1994), 9987-10002.

Links

Table of n, a(n) for n=1..6.

Crossrefs

Sequence in context: A020009 A257555 A007508 * A203762 A185635 A076122

Adjacent sequences: A122671 A122672 A122673 * A122675 A122676 A122677

Keyword

nonn,more

Author

N. J. A. Sloane, Sep 23 2006

Status

approved