id:A062558 - OEIS Search Results

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Number of nonisomorphic cyclic subgroups of dihedral group with 2n elements.

+0
1

2, 2, 3, 3, 3, 4, 3, 4, 4, 4, 3, 6, 3, 4, 5, 5, 3, 6, 3, 6, 5, 4, 3, 8, 4, 4, 5, 6, 3, 8, 3, 6, 5, 4, 5, 9, 3, 4, 5, 8, 3, 8, 3, 6, 7, 4, 3, 10, 4, 6, 5, 6, 3, 8, 5, 8, 5, 4, 3, 12, 3, 4, 7, 7, 5, 8, 3, 6, 5, 8, 3, 12, 3, 4, 7, 6, 5, 8, 3, 10, 6, 4, 3, 12, 5, 4, 5, 8, 3, 12, 5, 6, 5, 4, 5, 12, 3, 6, 7, 9, 3 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=tau(n)+(n mod 2), tau(n)=the number of divisors of n, cf. A000005.`
	CROSSREFS	`Cf. A062249 (labeled case).` `Sequence in context: A130971 A051776 A073734 this_sequence A072789 A126302 A134674` `Adjacent sequences: A062555 A062556 A062557 this_sequence A062559 A062560 A062561`
	KEYWORD	`nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Jul 03 2001`

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.

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