id:A087692 - OEIS Search Results

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Number of cubes in multiplicative group modulo n.

+0
2

1, 1, 2, 2, 4, 2, 2, 4, 2, 4, 10, 4, 4, 2, 8, 8, 16, 2, 6, 8, 4, 10, 22, 8, 20, 4, 6, 4, 28, 8, 10, 16, 20, 16, 8, 4, 12, 6, 8, 16, 40, 4, 14, 20, 8, 22, 46, 16, 14, 20, 32, 8, 52, 6, 40, 8, 12, 28, 58, 16, 20, 10, 4, 32, 16, 20, 22, 32, 44, 8, 70, 8, 24, 12, 40, 12, 20, 8, 26, 32, 18, 40 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`Cubic analog of A046073. - S. R. Finch (Steven.Finch(AT)inria.fr), Mar 01 2006`
	LINKS	`S. R. Finch and Pascal Sebah, Squares and Cubes Modulo n (arXiv:math.NT/0604465).`
	FORMULA	`a(n) = phi(n) / A060839(n).`
	CROSSREFS	`Cf. A060839, A046073.` `Sequence in context: A073103 A069177 A077659 this_sequence A093621 A143230 A072301` `Adjacent sequences: A087689 A087690 A087691 this_sequence A087693 A087694 A087695`
	KEYWORD	`mult,nonn`
	AUTHOR	`Yuval Dekel (dekelyuval(AT)hotmail.com), Sep 27 2003`
	EXTENSIONS	`More terms from S. R. Finch (Steven.Finch(AT)inria.fr), Mar 01 2006`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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