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 A067162 a(n) = A062361(n)/n. 2
 1, 2, 3, 5, 7, 10, 12, 16, 23, 29, 34, 39, 53, 62, 78, 87, 110, 108, 136, 163, 184, 200, 242, 251, 297, 318, 389, 371, 449, 480, 547, 563, 679, 676, 759, 794, 900, 958, 1079, 1093, 1225, 1261, 1353, 1398, 1602, 1613, 1730, 1794, 1953, 2055, 2253, 2244, 2450 (list; graph; refs; listen; history; text; internal format)
 OFFSET 4,2 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 Jean-François Alcover, Table of n, a(n) for n = 4..100 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 MATHEMATICA A062361 = Import["https://oeis.org/A062361/b062361.txt", "Table"][[All, 2]]; a[n_] := A062361[[n - 2]]/n; a /@ Range[4, 100] (* Jean-François Alcover, Sep 11 2019 *) CROSSREFS Cf. A062361. Sequence in context: A248578 A062442 A036964 * A002822 A191327 A109598 Adjacent sequences: A067159 A067160 A067161 * A067163 A067164 A067165 KEYWORD easy,nonn AUTHOR Sascha Kurz, Jan 06 2002 STATUS approved

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Last modified April 16 19:21 EDT 2024. Contains 371754 sequences. (Running on oeis4.)