

A358950


Number of edges formed inside a triangle with edge length 1 by the straight line segments mutually connecting all vertices and points that divide the sides into segments with lengths equal to the Farey series of order n = A006842(n,k)/A006843(n,k), k = 1..A005728(n).


6



3, 21, 375, 2574, 22083, 52791, 279750, 673050, 1851816, 3272058, 9865560, 14592537
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OFFSET

1,1


COMMENTS

The number of points along each edge is given by A005728(n).


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FORMULA



CROSSREFS



KEYWORD

nonn,more


AUTHOR



STATUS

approved



