A015102 - OEIS

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A015102

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

1, 1, -5, -191, 40915, 53110057, -412878084725, -19264066381851695, 5392667163887921078275, 9057620836725683164283293369, -91279931160615494871228103624209605 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,3`
	LINKS	`Table of n, a(n) for n=1..11.`
	FORMULA	`a(n) = sum_{i=1}^{n-1} q^{(i-1)} a(i) a(n-i).`
	CROSSREFS	`Sequence in context: A209412 A138733 A222363 * A086124 A211505 A198485` `Adjacent sequences: A015099 A015100 A015101 * A015103 A015104 A015105`
	KEYWORD	`sign`
	AUTHOR	`Olivier Gérard`
	STATUS	`approved`

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Last modified May 22 16:23 EDT 2013. Contains 225553 sequences.