A226269 - OEIS

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A226269

Number of partitioned trees decorated by {1,2} with n nodes.

0

2, 7, 32, 167, 952, 5759, 36340, 236498, 1576156, 10702333

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..10.

Loic Foissy, The Hopf algebra of Fliess operators and its dual pre-Lie algebra, 2013.

CROSSREFS

Sequence in context: A263532 A108524 A366400 * A006781 A330075 A115197

Adjacent sequences: A226266 A226267 A226268 * A226270 A226271 A226272

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jun 05 2013

STATUS

approved