id:A072230 - OEIS Search Results

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(Factorial n) modulo (n squared).

+0
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0, 2, 6, 8, 20, 0, 42, 0, 0, 0, 110, 0, 156, 0, 0, 0, 272, 0, 342, 0, 0, 0, 506, 0, 0, 0, 0, 0, 812, 0, 930, 0, 0, 0, 0, 0, 1332, 0, 0, 0, 1640, 0, 1806, 0, 0, 0, 2162, 0, 0, 0, 0, 0, 2756, 0, 0, 0, 0, 0, 3422, 0, 3660, 0, 0, 0, 0, 0, 4422, 0, 0, 0, 4970, 0, 5256, 0, 0, 0, 0, 0, 6162 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`fact(n) mod square(n)`
	CROSSREFS	`Sequence in context: A103015 A098092 A106164 this_sequence A028332 A124827 A002618` `Adjacent sequences: A072227 A072228 A072229 this_sequence A072231 A072232 A072233`
	KEYWORD	`nonn`
	AUTHOR	`Roman Stawski (roman.stawski(AT)wanadoo.fr), Jul 05 2002`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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