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 A073447 Decimal expansion of csc 1. 14
 1, 1, 8, 8, 3, 9, 5, 1, 0, 5, 7, 7, 8, 1, 2, 1, 2, 1, 6, 2, 6, 1, 5, 9, 9, 4, 5, 2, 3, 7, 4, 5, 5, 1, 0, 0, 3, 5, 2, 7, 8, 2, 9, 8, 3, 4, 0, 9, 7, 9, 6, 2, 6, 2, 5, 2, 6, 5, 2, 5, 3, 6, 6, 6, 3, 5, 9, 1, 8, 4, 3, 6, 7, 3, 5, 7, 1, 9, 0, 4, 8, 7, 9, 1, 3, 6, 6, 3, 5, 6, 8, 0, 3, 0, 8, 5, 3, 0, 2, 3, 2, 4, 7, 2, 4 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 REFERENCES Mohammad K. Azarian, Forty-Five Nested Equilateral Triangles and cosecant of 1 degree, Problem 813, College Mathematics Journal, Vol. 36, No. 5, November 2005, p. 413-414.  Solution published in Vol. 37 , No. 5, November 2006, pp. 394-395. LINKS FORMULA Equals sum((-1)^n/(1 + n*Pi), {n, -oo, oo}). - Jean-François Alcover, Mar 21 2013. EXAMPLE 1.18839510577812121626159945237... PROG (PARI) 1/sin(1) CROSSREFS Cf. A049469 (sin(1)=1/A073447), A049470 (cos(1)), A049471 (tan(1)), A073448 (sec(1)), A073449 (cot(1)). Sequence in context: A222066 A303617 A296428 * A011213 A178728 A256489 Adjacent sequences:  A073444 A073445 A073446 * A073448 A073449 A073450 KEYWORD cons,nonn AUTHOR Rick L. Shepherd, Aug 01 2002 STATUS approved

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Last modified December 16 03:34 EST 2018. Contains 318158 sequences. (Running on oeis4.)