id:A081152 - OEIS Search Results

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Number of even cycles in range [A014137(2n)..A014138(2n)] of permutation A057505/A057506.

+0
3

0, 1, 6, 37, 212, 1226, 6822, 38081, 215414 (list; graph; listen)

	OFFSET	`0,3`
	CROSSREFS	`a(n) = A081150(2n+1) = A081159(n)+A081161(n)+A081163(n). Cf. A081151.` `Sequence in context: A056328 A057418 A001419 this_sequence A033116 A033124 A022035` `Adjacent sequences: A081149 A081150 A081151 this_sequence A081153 A081154 A081155`
	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 September 8 13:03 EDT 2008. Contains 143486 sequences.