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A067165 A067153(n)/n. 1
0, 0, 1, 0, 2, 0, 3, 0, 7, 3, 8, 1, 10, 6, 22, 3, 28, 3, 35, 15, 48, 34, 55, 15, 61, 46, 97, 69, 104, 59, 129, 71, 143, 100, 178, 82, 184, 144, 244, 142, 232, 163, 299, 243, 329, 255, 383, 244, 392, 325, 473, 373, 500, 300, 558, 462, 611, 491, 699, 492, 762, 629, 853 (list; graph; refs; listen; history; text; internal format)
OFFSET

7,5

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

Table of n, a(n) for n=7..69.

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).

Sequences formed by drawing all diagonals in regular polygon

CROSSREFS

Cf. A067153.

Sequence in context: A163974 A317443 A308218 * A079981 A117776 A298610

Adjacent sequences:  A067162 A067163 A067164 * A067166 A067167 A067168

KEYWORD

easy,nonn

AUTHOR

Sascha Kurz, Jan 06 2002

STATUS

approved

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Last modified May 19 13:24 EDT 2022. Contains 353833 sequences. (Running on oeis4.)