A202294 Number of labeled trees avoiding a certain pattern (see Dotsenko reference for precise definition).

1, 1, 3, 14, 90, 740, 7420

Offset

0,3

Links

Table of n, a(n) for n=0..6.

V. Dotsenko, Pattern avoidance in labelled trees, arXiv preprint arXiv:1110.0844, 2011

Crossrefs

Sequence in context: A202295 A088789 A202293 * A029767 A215475 A120056

Adjacent sequences: A202291 A202292 A202293 * A202295 A202296 A202297

Keyword

nonn,more

Author

N. J. A. Sloane, Dec 15 2011

Status

approved