A292100 Number of net regularizable trees with a marked vertex and n chairs.

1, 2, 8, 39, 212, 1251, 7793, 50474, 336556, 2294871, 15927450, 112144478, 799058373, 5750838752, 41744478744, 305264349331

Offset

0,2

Links

Table of n, a(n) for n=0..15.

Isaac B. Michael and M. R. Sepanski, Net regular signed trees, Australasian Journal of Combinatorics, Volume 66(2) (2016), 192-204.

Crossrefs

Sequence in context: A366049 A218321 A236339 * A185650 A059275 A020047

Adjacent sequences: A292097 A292098 A292099 * A292101 A292102 A292103

Keyword

nonn,more

Author

N. J. A. Sloane, Sep 11 2017

Status

approved