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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A327740 Number of n-bead bracelet structures using an infinite alphabet that are not self-equivalent under either a nonzero rotation or reversal (turning over bracelet). 1
0, 0, 0, 0, 0, 6, 34, 185, 1011, 5304, 29740, 172037, 1055232, 6790613, 46034820 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Table of n, a(n) for n=1..15.

FORMULA

a(p) = A320749(p) for prime p.

CROSSREFS

Row sums of A324802.

Cf. A320749, A327696.

Sequence in context: A126643 A320745 A084775 * A229009 A085351 A125343

Adjacent sequences:  A327737 A327738 A327739 * A327741 A327742 A327743

KEYWORD

nonn,more

AUTHOR

Andrew Howroyd, Sep 23 2019

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 October 27 23:01 EDT 2020. Contains 338045 sequences. (Running on oeis4.)