id:A139002 - OEIS Search Results

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Weights of Connes-Moscovici Hopf subalgebra.

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1, 1, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 4, 4, 3, 6, 1, 1, 6, 3, 4, 4, 1, 1, 3, 1, 5, 15, 5, 5, 10, 10, 10, 10, 15, 10, 1, 1, 10, 15, 10, 10, 10, 10, 5, 5, 15, 5, 1, 3, 1, 1, 4, 4, 3, 6, 1, 6, 36, 18, 24, 24, 6, 6, 18, 6, 15, 15, 45, 45, 15, 15, 15, 15, 10, 20, 60, 20, 10, 60, 20, 15, 45, 15, 1, 1 (list; graph; listen)

	OFFSET	`1,7`
	COMMENT	`Gives multiplicity for tree shapes in "naturally grown" forests of rooted trees (from file for CM(t) referred to in Broadhurst).`
	LINKS	`D. J. Broadhurst and D. Kreimer, Renormalization automated by Hopf algebra , (1998)` `T. Copeland, A Walk in the Woods with Cayley and Comtet , (May 2008)` `L. Foissy, Faa di Bruno subalgebras of the Hopf algebra of planar trees from combinatorial Dyson-Schwinger equations , (2007)` `E. Getzler, Lie theory for nilpotent L-infinity algebras , (2007) page 22 [From Tom Copeland (tcjpn(AT)msn.com), Mar 17 2009]`
	CROSSREFS	`Sequence in context: A046929 A068695 A110787 this_sequence A139378 A038500 A091840` `Adjacent sequences: A138999 A139000 A139001 this_sequence A139003 A139004 A139005`
	KEYWORD	`nonn`
	AUTHOR	`Tom Copeland (tcjpn(AT)msn.com), May 31 2008`

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

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