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Search: id:A067155
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| A067155 |
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Number of regions in regular n-gon which are 8-gons. |
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+0
10
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| 0, 0, 0, 0, 0, 13, 0, 0, 0, 34, 0, 38, 20, 0, 44, 23, 0, 50, 26, 108, 28, 145, 0, 217, 0, 264, 102, 315, 72, 407, 190, 546, 200, 656, 42, 903, 528, 810, 598, 1175, 288, 1078, 550, 1479, 780, 1166, 486, 1705, 784, 2451, 1276, 3068, 960, 3172, 1860, 4347, 2432
(list; graph; listen)
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OFFSET
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8,6
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REFERENCES
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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.
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LINKS
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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
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EXAMPLE
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a(13)=13 because drawing the regular 13-gon and all its diagonals yields 13 8-gons.
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CROSSREFS
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Cf. A007678, A067167, A064869, A067151, A067152, A067153, A067154, A067156, A067157, A067158, A067159.
Sequence in context: A081357 A127708 A094896 this_sequence A073867 A114782 A065112
Adjacent sequences: A067152 A067153 A067154 this_sequence A067156 A067157 A067158
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KEYWORD
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easy,nonn
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AUTHOR
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Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 06 2002
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