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Number of primitive (period n) bracelets using exactly six different colored beads.
0

%I #6 Aug 22 2017 20:53:09

%S 0,0,0,0,0,60,1080,11970,105840,821952,5874480,39713490,258136200,

%T 1631272140,10096734312,61536365730,370710950400,2213749552980,

%U 13132080672480,77509456122366,455754569691600

%N Number of primitive (period n) bracelets using exactly six different colored beads.

%C Turning over will not create a new bracelet.

%D 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]

%F Sum mu(d)*A056346(n/d) where d|n.

%Y Cf. A056291.

%K nonn

%O 1,6

%A _Marks R. Nester_