id:A141309 - OEIS Search Results

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INVERTi transform of A141308.

+0
1

2, 3, 16, 158, 1796, 24250, 372656, 6429927, 122956714, 2581840735, 59084565968, 1464445686726, 39101805324620, 1119446453417490, 34220008384633264, 1112764183812405300, 38362648544330997488, 1397884269388233025156 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Number of generators of degree n of the (free) primitive Lie algebra of the Hopf algebra of free quasi-symmetric functions of level 2.`
	LINKS	`J.-C. Novelli and J.-Y. Thibon, Free quasi-symmetric functions and descent algebras for wreath products and noncommutative multi-symmetric functions`
	MAPLE	`INVERTi([seq(d(n, n=1..20)]); where d(n) is A141308`
	CROSSREFS	`Cf. A003319, A141307, A141308.` `Sequence in context: A063666 A006247 A052318 this_sequence A057997 A005273 A103898` `Adjacent sequences: A141306 A141307 A141308 this_sequence A141310 A141311 A141312`
	KEYWORD	`nonn`
	AUTHOR	`Jean-Yves Thibon (jyt(AT)univ-mlv.fr), Jun 26 2008`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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