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 A014219 Inverse of 210th cyclotomic polynomial. 2
 1, 1, 0, -1, -1, -1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, -1, -1, -1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, -1, -1, -1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, -1, -1, -1, 0, 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Periodic with period length 210. - 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, -1, 0, 0, -1, 1, -2, 1, -1, 0, 0, -1, 1, -1, 1, -1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, -1, 1, -1, 1, -1, 0, 0, -1, 1, -2, 1, -1, 0, 0, -1, 1, -1). MAPLE with(numtheory, cyclotomic); c := n->series(1/cyclotomic(n, x), x, 80); MATHEMATICA CoefficientList[Series[1/Cyclotomic[210, x], {x, 0, 200}], x] (* Vincenzo Librandi, Apr 06 2014 *) CROSSREFS Cf. similar sequences listed in A240328, A240467. Sequence in context: A015527 A080764 A014114 * A065828 A176329 A030302 Adjacent sequences:  A014216 A014217 A014218 * A014220 A014221 A014222 KEYWORD sign,easy AUTHOR STATUS approved

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Last modified May 26 15:18 EDT 2017. Contains 287096 sequences.