id:A068337 - OEIS Search Results

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n!*sum{k=1 to n} mu(k)/k, where mu(k) is the Moebius function.

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1, 1, 1, 4, -4, 96, -48, -384, -3456, 328320, -17280, -207360, -481697280, -516741120, 79427174400, 1270834790400, 681401548800, 12265227878400, -6169334376038400, -123386687520768000, -158218429759488000, 47610136717000704000 (list; graph; listen)

	OFFSET	`1,4`
	COMMENT	`(-1)^(n-1)*{determinant of the n X n matrix m(i,j)=i+(j (modi))} - Benoit Cloitre (benoit7848c(AT)orange.fr), May 28 2004`
	CROSSREFS	`Adjacent sequences: A068334 A068335 A068336 this_sequence A068338 A068339 A068340` `Sequence in context: A068376 A131592 A092209 this_sequence A009534 A009559 A055071`
	KEYWORD	`sign`
	AUTHOR	`Leroy Quet (qq-quet(AT)mindspring.com), Feb 27 2002`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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