login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A127289 Signature-permutation of a Catalan automorphism: composition of A127291 and A057164. 8
0, 1, 3, 2, 6, 8, 7, 5, 4, 15, 20, 14, 19, 21, 18, 22, 16, 11, 13, 17, 12, 10, 9, 39, 53, 41, 55, 59, 40, 54, 38, 52, 57, 37, 51, 56, 58, 47, 60, 49, 62, 64, 48, 61, 43, 29, 34, 42, 28, 33, 35, 50, 63, 46, 32, 36, 44, 30, 25, 27, 45, 31, 26, 24, 23, 113, 155, 118, 160, 173 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

This is otherwise like A127291, but uses A127285 instead of A127287 as a "picker permutation" for the function "tau", which can be found in the entry A127291. A014486->parenthesization is given in A014486. This permutation contains some exceptionally large cycles, see A127297.

LINKS

A. Karttunen, Table of n, a(n) for n = 0..2055

Index entries for signature-permutations of Catalan automorphisms

PROG

(Scheme:) (define (A127289 n) (tau (A014486->parenthesization (A014486 n)) *A127285!))

CROSSREFS

Inverse: A127290. a(n) = A127291(A057164(n)) = A057164(A127299(n)). The number of cycles, maximum cycle sizes and LCM's of all cycle sizes in range [A014137(n-1)..A014138(n-1)] of this permutation are given by A127296, A127297 and A127298.

Sequence in context: A122334 A074681 A130355 * A131168 A131161 A131006

Adjacent sequences:  A127286 A127287 A127288 * A127290 A127291 A127292

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jan 16 2007

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 21 04:53 EST 2020. Contains 331104 sequences. (Running on oeis4.)