login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A015573
Inverse of 1564th cyclotomic polynomial.
1
1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, 0
OFFSET
0,1
COMMENTS
Periodic with period length 1564. - Ray Chandler, Apr 07 2017
MAPLE
with(numtheory, cyclotomic); c := n->series(1/cyclotomic(n, x), x, 80);
MATHEMATICA
CoefficientList[Series[1/Cyclotomic[1564, x], {x, 0, 100}], x] (* G. C. Greubel, Jan 06 2018 *)
PROG
(PARI) Vec(1/polcyclo(1564) + O(x^100)) \\ Michel Marcus, Jan 07 2018
CROSSREFS
Sequence in context: A014893 A016117 A015981 * A015301 A016213 A015757
KEYWORD
sign
AUTHOR
STATUS
approved

  NODES
COMMUNITY 1
INTERN 1