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 A014074 Inverse of 65th cyclotomic polynomial. 2
 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, -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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, -1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Periodic with period length 65. - Ray Chandler, Apr 03 2017 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 Index entries for linear recurrences with constant coefficients, signature (1, 0, 0, 0, -1, 1, 0, 0, 0, -1, 1, 0, -1, 1, -1, 1, 0, -1, 1, -1, 1, 0, -1, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 0, 0, 0, 1, -1, 0, 0, 0, 1, -1). MAPLE with(numtheory, cyclotomic); c := n->series(1/cyclotomic(n, x), x, 80); MATHEMATICA CoefficientList[Series[1/Cyclotomic[65, x], {x, 0, 200}], x] (* Vincenzo Librandi, Apr 05 2014 *) LinearRecurrence[{1, 0, 0, 0, -1, 1, 0, 0, 0, -1, 1, 0, -1, 1, -1, 1, 0, -1, 1, -1, 1, 0, -1, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 0, 0, 0, 1, -1, 0, 0, 0, 1, -1}, {1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, -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, 0, 0, 0, 0, 0}, 200] (* Ray Chandler, Sep 15 2015 *) CROSSREFS Cf. similar sequences listed in A240328. Sequence in context: A014199 A014094 A014179 * A014139 A014064 A014119 Adjacent sequences:  A014071 A014072 A014073 * A014075 A014076 A014077 KEYWORD sign,easy AUTHOR STATUS approved

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Last modified April 23 02:10 EDT 2019. Contains 322380 sequences. (Running on oeis4.)