A015022 - OEIS

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A015022

q-factorial numbers for q=-8.

1, -7, -399, 181545, 661005345, -19253102683815, -4486300228074519855, 8363069275661695069900425, 124719129516554187174725699959425, -14879571721119777957252576955487113947975 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`Index entries for sequences related to factorial numbers`
	FORMULA	`prod_{k=1}^{k=n} {(q^k - 1) / (q - 1)}`
	CROSSREFS	`Sequence in context: A128793 A042527 A203588 * A160292 A099125 A172894` `Adjacent sequences: A015019 A015020 A015021 * A015023 A015024 A015025`
	KEYWORD	`sign,easy`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified February 15 14:33 EST 2012. Contains 205817 sequences.