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A127384 Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A127379/A127380 and A127381/A127382. 4
1, 1, 2, 4, 9, 23, 62, 179, 543, 1705, 5482, 18056, 60634, 206824 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..13.

D. Callan, A Bijection on Dyck Paths and Its Cycle Structure, 2006, 17pp.

CROSSREFS

A127383.

Sequence in context: A032028 A190277 A274882 * A337721 A058585 A001573

Adjacent sequences:  A127381 A127382 A127383 * A127385 A127386 A127387

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jan 16 2007

STATUS

approved

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Last modified September 24 14:16 EDT 2021. Contains 347643 sequences. (Running on oeis4.)