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A202295
Number of labeled trees avoiding a certain pattern (see Dotsenko reference for precise definition).
0
1, 1, 3, 14, 90, 737, 7336
OFFSET
0,3
LINKS
V. Dotsenko, Pattern avoidance in labelled trees, arXiv preprint arXiv:1110.0844, 2011
CROSSREFS
Sequence in context: A081005 A074518 A200317 * A088789 A202293 A202294
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Dec 15 2011
STATUS
approved