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!)
A057543 Maximum cycle length (orbit size) in the rotation permutation of 2n non-crossing handshakes. 8
1, 1, 2, 3, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

I.e. in permutations A057501 and A057502, the longest cycle among all cycles between the A014138[n-2]+1th and A014138[n-1]th terms.

LINKS

Table of n, a(n) for n=0..26.

FORMULA

a(0)=1, a(1)=1, a(2)=2, a(3)=3, a(n)=2n

CROSSREFS

Cf. A057542, A057544, A057545.

Sequence in context: A028732 A028751 A325424 * A190650 A000059 A216761

Adjacent sequences:  A057540 A057541 A057542 * A057544 A057545 A057546

KEYWORD

nonn

AUTHOR

Antti Karttunen, Sep 07 2000

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 23 13:47 EST 2020. Contains 331171 sequences. (Running on oeis4.)