id:A060181 - OEIS Search Results

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Number of permutations in the symmetric group S_n that have prime order.

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1

1, 2, 6, 18, 70, 300, 1806, 9100, 37332, 205560, 4853530, 49841616, 789513660, 9021065872, 70737031470, 420565124400, 22959075244096, 385032305178720, 10010973102879762, 152163983393187400 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`For n = 4 there is 1 permutation of order 1, 9 permutations of order 2, 8 of order 3 and no others of prime order, so a(4)=18.`
	CROSSREFS	`Sequence in context: A006389 A030269 A150082 this_sequence A131281 A022491 A004395` `Adjacent sequences: A060178 A060179 A060180 this_sequence A060182 A060183 A060184`
	KEYWORD	`nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Mar 19 2001`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research