A081160 - OEIS

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A081160

Number of even cycles in range [A014137(n-1)..A014138(n-1)] of permutation A057505/A057506, with two fixed-points of A057164.

0, 0, 1, 1, 3, 4, 10, 16, 35, 60, 126, 225, 462, 848, 1716, 3188, 6435, 12095, 24310 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	CROSSREFS	`Bisections: A001700 (shifted right and prepended with zero) and A081161. Cf. A081150, A081157, A081162.` `Sequence in context: A007007 A037952 A093512 * A051437 A034774 A172416` `Adjacent sequences: A081157 A081158 A081159 * A081161 A081162 A081163`
	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 February 17 03:30 EST 2012. Contains 205978 sequences.