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A067168 A067156(n)/n. 1
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 3, 0, 0, 2, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 3, 0, 2, 0, 2, 2, 1, 2, 0, 3, 3, 1, 1, 4, 2, 0, 8, 5, 2, 3, 8, 0, 3, 2, 3, 10, 7, 5, 8, 1, 3, 4, 2, 4, 3, 4, 9, 4, 12, 9, 10, 3, 8, 9, 16, 11, 12, 3, 2, 10, 15, 21, 16, 12 (list; graph; refs; listen; history; text; internal format)
OFFSET
10,32
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
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).
CROSSREFS
Cf. A067156.
Sequence in context: A193291 A096936 A115979 * A099475 A120569 A128113
KEYWORD
easy,nonn
AUTHOR
Sascha Kurz, Jan 06 2002
STATUS
approved

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)