A292095 Minimal number of nodes of a tree requiring width n in any LR-drawing.

1, 3, 7, 11, 19, 27, 35, 47, 61, 77, 95, 111, 135, 159, 185, 215, 243, 275, 311, 343, 383, 427

Offset

1,2

Links

Table of n, a(n) for n=1..22.

Fabrizio Frati, M. Patrignani, V. Roselli, LR-Drawings of Ordered Rooted Binary Trees and Near-Linear Area Drawings of Outerplanar Graphs, arXiv preprint arXiv:1610.02841 [cs.CG], 2016.

Crossrefs

Sequence in context: A049754 A191114 A181497 * A265323 A346912 A276456

Adjacent sequences: A292092 A292093 A292094 * A292096 A292097 A292098

Keyword

nonn,more

Author

N. J. A. Sloane, Sep 10 2017

Status

approved