id:A003047 - OEIS Search Results

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a(n) = Catalan(n) * Product a(k), k = 0 . . n-1.
(Formerly M1993)

+0
2

1, 1, 2, 10, 280, 235200, 173859840000, 98238542885683200000000, 32169371027674057560745102540800000000000000000 (list; graph; listen)

	OFFSET	`1,3`
	REFERENCES	`J. W. Moon and M. Sobel, Enumerating a class of nested group testing procedures, J. Combin. Theory, B23 (1977), 184-188.`
	CROSSREFS	`Sequence in context: A134473 A005154 A074056 this_sequence A028580 A098706 A073834` `Adjacent sequences: A003044 A003045 A003046 this_sequence A003048 A003049 A003050`
	KEYWORD	`easy,nonn`
	AUTHOR	`njas`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.