login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A056352 Number of primitive (period n) bracelets using exactly six different colored beads. 0
0, 0, 0, 0, 0, 60, 1080, 11970, 105840, 821952, 5874480, 39713490, 258136200, 1631272140, 10096734312, 61536365730, 370710950400, 2213749552980, 13132080672480, 77509456122366, 455754569691600 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,6
COMMENTS
Turning over will not create a new bracelet.
REFERENCES
M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia. [See A056391 for pdf file of Chap. 2]
LINKS
FORMULA
Sum mu(d)*A056346(n/d) where d|n.
CROSSREFS
Cf. A056291.
Sequence in context: A271651 A223348 A305545 * A056346 A283722 A105252
KEYWORD
nonn
AUTHOR
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 18 21:02 EDT 2024. Contains 374388 sequences. (Running on oeis4.)