A180271 The number of multiplicity-free labeled floor diagrams with n nodes

1, 1, 2, 7, 36, 245, 2081, 21231

Offset

1,3

Links

Table of n, a(n) for n=1..8.

Fomin, Mikhalkin, Labeled floor diagrams for plane curves

Crossrefs

Sequence in context: A191493 A095793 A029768 * A167199 A007889 A125033

Adjacent sequences: A180268 A180269 A180270 * A180272 A180273 A180274

Keyword

hard,more,nonn

Author

Kevin Hu (10thsymphony(AT)gmail.com), Aug 23 2010

Status

approved