id:A072644 - OEIS Search Results

Search: id:A072644

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Size of the parenthesizations obtained with the global ranking/unranking scheme A072634-A072637.

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	OFFSET	`0,3`
	CROSSREFS	`Cf. A072635 & A072637. A072644(n) = A029837(A014486(A072635(n))+1)/2 or = A029837(A014486(A072637(n))+1)/2 [A029837(n+1) gives the binary width of n].` `Each value v occurs A000108(v) times. The maximum position for value v to occur is A072639(v). Permutations: A071673, A072643, A072645, A072660.` `Sequence in context: A086712 A125842 A029865 this_sequence A070082 A085727 A143442` `Adjacent sequences: A072641 A072642 A072643 this_sequence A072645 A072646 A072647`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Jun 02 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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