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 A015590 Inverse of 1581st cyclotomic polynomial. 1
 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, 0, 0, 0, 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, 0, 0, 0, 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 1, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Periodic with period length 1581. - Ray Chandler, Apr 07 2017 LINKS Ray Chandler, Table of n, a(n) for n = 0..2000 Index entries for linear recurrences with constant coefficients, order 960. Index to sequences related to inverse of cyclotomic polynomials MAPLE with(numtheory, cyclotomic); c := n->series(1/cyclotomic(n, x), x, 80); MATHEMATICA CoefficientList[Series[1/Cyclotomic[1581, x], {x, 0, 100}], x] (* G. C. Greubel, Jan 06 2018 *) PROG (PARI) Vec(1/polcyclo(1581) + O(x^100)) \\ Michel Marcus, Jan 07 2018 CROSSREFS Sequence in context: A000484 A014978 A015947 * A011649 A016202 A016100 Adjacent sequences: A015587 A015588 A015589 * A015591 A015592 A015593 KEYWORD sign AUTHOR Simon Plouffe STATUS approved

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Last modified June 2 02:00 EDT 2023. Contains 363080 sequences. (Running on oeis4.)