A007199 Number of n-node animals on f.c.c. lattice. (Formerly M2925)

1, 3, 12, 55, 273, 1425, 7695, 42576, 239925, 1371555, 7931817, 46310127, 272559558, 1615163592, 9627985773, 57688721354, 347228163630

Offset

1,2

References

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=1..17.

I. Dutour, Animaux dirigés et approximations de séries génératrices, Mémoire de DEA, 1992, Université Bordeaux I.

Isabelle Dutour, Animaux dirigés et approximations de séries génératrices, Mémoire de DEA, 1992, Université Bordeaux I [Cached copy, no title pages, included with permission. Source for sequences A006193, A007193-A007199]

Index entries for sequences related to f.c.c. lattice

Crossrefs

Sequence in context: A373960 A371429 A361356 * A179848 A001764 A171780

Adjacent sequences: A007196 A007197 A007198 * A007200 A007201 A007202

Keyword

nonn,more

Author

Simon Plouffe

Status

approved