id:A015089 - OEIS Search Results

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q-Catalan numbers (recurrence version) for q=6.

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1, 1, 7, 265, 57799, 75025897, 583552122727, 27227375795690569, 7621977131953256556295, 12802009986716861649949951657, 129014790439200398432389878440405671 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n) = sum_{i=1}^{n-1} q^{(i-1)} a(i) a(n-i).`
	CROSSREFS	`Sequence in context: A003385 A129423 A048291 this_sequence A069449 A140031 A066413` `Adjacent sequences: A015086 A015087 A015088 this_sequence A015090 A015091 A015092`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research