login
This site is supported by donations to The OEIS 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!)
A125979 Signature-permutation of a Catalan automorphism: composition of A125976 and A057164. 1
0, 1, 3, 2, 8, 5, 6, 7, 4, 22, 13, 15, 18, 10, 19, 11, 20, 21, 12, 14, 16, 17, 9, 64, 36, 41, 50, 27, 52, 29, 55, 59, 32, 38, 43, 46, 24, 60, 33, 39, 47, 25, 61, 34, 62, 63, 35, 40, 48, 49, 26, 51, 28, 53, 56, 30, 54, 57, 58, 31, 37, 42, 44, 45, 23, 196, 106, 120, 148, 78 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

This is self-inverse permutation (involution) of the nonnegative integers.

LINKS

Table of n, a(n) for n=0..69.

Index entries for signature-permutations of Catalan automorphisms

CROSSREFS

a(n) = A125976(A057164(n)) = A057164(A125976(n)). Differs from A071663 for the first time at n=43, where a(n)=34, while A071663(n)=48.

Sequence in context: A085178 A146942 A126313 * A071663 A071664 A130921

Adjacent sequences:  A125976 A125977 A125978 * A125980 A125981 A125982

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jan 02 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 17 16:53 EST 2019. Contains 319235 sequences. (Running on oeis4.)