id:A081156 - OEIS Search Results

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Number of odd cycles in range [A014137(2n)..A014138(2n)] of permutation A057505/A057506, with fixed-points of both A057163 and A057164.

+0
3

1, 1, 2, 3, 6, 12, 20, 59, 120 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`See comment at A080973.`
	CROSSREFS	`a(n) = A081155(2n+1) = A000108(n) - 2*A081163(n).` `Adjacent sequences: A081153 A081154 A081155 this_sequence A081157 A081158 A081159` `Sequence in context: A103070 A079708 A096571 this_sequence A082877 A047090 A018178`
	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 October 13 20:18 EDT 2008. Contains 145016 sequences.