A007196 Number of primitive n-node animals on b.c.c. lattice. (Formerly M3586)

1, 4, 22, 136, 897, 6168, 43670, 315956, 2324479, 17329828, 130605478, 993182984, 7610051579, 58689316888, 455159096044

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..15.

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 b.c.c. lattice

Crossrefs

Sequence in context: A067120 A143648 A069835 * A091638 A142984 A283055

Adjacent sequences: A007193 A007194 A007195 * A007197 A007198 A007199

Keyword

nonn,more

Author

N. J. A. Sloane, Simon Plouffe

Status

approved