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A217938 Bidendriforms (see Foissy and Patras for precise definition). 0
1, 1, 2, 10, 70, 550, 4730, 44378, 45646 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Loïc Foissy and Frédéric Patras, Natural endomorphisms of shuffle algebras, arXiv preprint arXiv:1205.2986, 2012
CROSSREFS
Sequence in context: A121201 A166076 A354307 * A333902 A051405 A005568
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Oct 22 2012
STATUS
approved

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Last modified February 21 04:08 EST 2024. Contains 370219 sequences. (Running on oeis4.)