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 A067099 Floor[radius of the circumscribed circle of a regular n-gon with unit sides]. 7
 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11 (list; graph; refs; listen; history; text; internal format)
 OFFSET 3,11 LINKS Harry J. Smith, Table of n, a(n) for n=3,...,1000 FORMULA a(n) = floor[1/{2*sin(pi/n)}] EXAMPLE a(15) = floor [1/(2*sin(pi/15)) ] = [2.40486717237206534804886845877139] =2. MATHEMATICA Table[ Floor[ 1/(2*Sin[Pi/n])], {n, 3, 75} ] PROG (PARI) { for (n=3, 1000, write("b067099.txt", n, " ", floor(1/(2*sin(Pi/n)))) ) } [From Harry J. Smith, May 16 2010] CROSSREFS Cf. A067100. Sequence in context: A111854 A132085 A111654 * A098429 A132090 A071538 Adjacent sequences:  A067096 A067097 A067098 * A067100 A067101 A067102 KEYWORD easy,nonn AUTHOR Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jan 07 2002 EXTENSIONS More terms from Robert G. Wilson v, Jan 09 2002 STATUS approved

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