id:A015108 - OEIS Search Results

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q-Catalan numbers (recurrence version) for q=-11.

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1, 1, -10, -1231, 1636130, 23957879562, -3858392581773300, -6835385537899011365535, 133202313157282627679850238250, 28553099061411464607955930776882965774 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n) = sum_{i=1}^{n-1} q^{(i-1)} a(i) a(n-i).`
	CROSSREFS	`Adjacent sequences: A015105 A015106 A015107 this_sequence A015109 A015110 A015111` `Sequence in context: A015026 A130598 A027879 this_sequence A070065 A013367 A013366`
	KEYWORD	`sign`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified October 9 14:06 EDT 2008. Contains 144831 sequences.

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