id:A052361 - OEIS Search Results

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Number of permutations in the symmetric group S_n such that the size of their conjugacy class is even.

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0, 0, 2, 20, 104, 644, 4808, 40214, 361934, 3623084, 39889024, 478937744, 6226748384, 87175900720, 1307664018464, 20922787860974, 355687393636574, 6402373361133596, 121645097789915528, 2432901997700960264 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`Eric Weisstein's World of Mathematics, Number`
	CROSSREFS	`a(n) = n! - A088042(n).` `Sequence in context: A035599 A103101 A009357 this_sequence A001884 A028477 A073077` `Adjacent sequences: A052358 A052359 A052360 this_sequence A052362 A052363 A052364`
	KEYWORD	`nonn`
	AUTHOR	`Yuval Dekel (dekelyuval(AT)hotmail.com), Nov 07 2003`
	EXTENSIONS	`More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 10 2003`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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