A362109 - OEIS

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A362109

Arises from the enumeration of cycle-alternating permutations.

0

1, 1, 2, 5, 17, 78, 461, 3417, 31134, 340217, 4365673

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OFFSET

0,3

LINKS

Table of n, a(n) for n=0..10.

Bishal Deb and Alan D. Sokal, Continued fractions for cycle-alternating permutations, arXiv:2304.06545 [math.CO], 2023. See (1.10).

CROSSREFS

Sequence in context: A199164 A184509 A020096 * A187245 A361243 A302194

Adjacent sequences: A362106 A362107 A362108 * A362110 A362111 A362112

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Apr 14 2023

STATUS

approved