id:A081154 - OEIS Search Results

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

+0
2

0, 0, 2, 6, 18, 50, 142, 388, 1114 (list; graph; listen)

	OFFSET	`0,3`
	CROSSREFS	`a(n) = A081153(2n+1).` `Sequence in context: A062026 A048495 A089380 this_sequence A002900 A034525 A018249` `Adjacent sequences: A081151 A081152 A081153 this_sequence A081155 A081156 A081157`
	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 December 17 23:40 EST 2009. Contains 171025 sequences.