id:A015102 - OEIS Search Results

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

+0
1

1, 1, -5, -191, 40915, 53110057, -412878084725, -19264066381851695, 5392667163887921078275, 9057620836725683164283293369, -91279931160615494871228103624209605 (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: A094081 A096543 A138733 this_sequence A086124 A100760 A093154` `Adjacent sequences: A015099 A015100 A015101 this_sequence A015103 A015104 A015105`
	KEYWORD	`sign`
	AUTHOR	`Olivier Gerard (ogerard(AT)ext.jussieu.fr)`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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