A292096 Number of net regularizable trees with 4n+2 vertices.

1, 1, 2, 6, 22, 95, 465, 2470, 13965, 82333, 501469, 3131490, 19955360, 129294514, 5648076997

Offset

0,3

Links

Table of n, a(n) for n=0..14.

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: A301385 A093793 A087959 * A006871 A268699 A253948

Adjacent sequences: A292093 A292094 A292095 * A292097 A292098 A292099

Keyword

nonn,more

Author

N. J. A. Sloane, Sep 11 2017

Status

approved