OFFSET

8,6

REFERENCES

B. Poonen and M. Rubinstein, Number of Intersection Points Made by the Diagonals of a Regular Polygon, SIAM J. Discrete Mathematics, Vol. 11, pp. 135-156.

LINKS

Scott R. Shannon, Table of n, a(n) for n = 8..765

Sascha Kurz, m-gons in regular n-gons

B. Poonen and M. Rubinstein, The number of intersection points made by the diagonals of a regular polygon, SIAM J. on Discrete Mathematics, Vol. 11, No. 1, 135-156 (1998).

EXAMPLE

a(13)=13 because drawing the regular 13-gon and all its diagonals yields 13 octagons.

CROSSREFS

KEYWORD

nonn

AUTHOR

Sascha Kurz, Jan 06 2002

EXTENSIONS

a(65) and beyond by Scott R. Shannon, Dec 04 2021

STATUS

approved