id:A081159 - OEIS Search Results

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Number of even cycles in range [A014137(2n)..A014138(2n)] of permutation A057505/A057506, with no fixed points of either A057163 or A057164.

+0
3

0, 0, 2, 20, 148, 986, 5918, 34708, 202664 (list; graph; listen)

	OFFSET	`0,3`
	CROSSREFS	`a(n) = A081157(2n+1).` `Sequence in context: A003481 A081006 A000183 this_sequence A105489 A093302 A093130` `Adjacent sequences: A081156 A081157 A081158 this_sequence A081160 A081161 A081162`
	KEYWORD	`nonn`
	AUTHOR	`Wouter Meeussen (wouter.meeussen(AT)pandora.be) & Antti Karttunen (Firstname.Surname(AT)iki.fi) Mar 10 2003`

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