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A081152 Number of even cycles in range [A014137(2n)..A014138(2n)] of permutation A057505/A057506. 2
0, 1, 6, 37, 212, 1226, 6822, 38081, 215414 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..8.

CROSSREFS

a(n) = A081150(2n+1) = A081159(n)+A081161(n)+A081163(n). Cf. A081151.

Sequence in context: A156185 A057418 A001419 * A244618 A033116 A033124

Adjacent sequences:  A081149 A081150 A081151 * A081153 A081154 A081155

KEYWORD

nonn

AUTHOR

Wouter Meeussen & Antti Karttunen Mar 10 2003

STATUS

approved

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Last modified March 2 12:26 EST 2021. Contains 341750 sequences. (Running on oeis4.)