id:A015086 - OEIS Search Results

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q-Catalan numbers (recurrence version) for q=5.

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1, 1, 6, 161, 20466, 12833546, 40130703276, 627122621447281, 48995209411107768186, 19138851672289046707772366, 37380607950584029444762130426196 (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: A128120 A030449 A120277 this_sequence A052466 A078535 A143534` `Adjacent sequences: A015083 A015084 A015085 this_sequence A015087 A015088 A015089`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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