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”).

A016099
Inverse of 2090th cyclotomic polynomial.
1
1, 1, 0, 0, 0, -1, -1, 0, 0, 0, 1, 0, -1, 0, 0, -1, 0, 1, 0, -1, 0, 0, 0, 1, 1, 0, 0, 0, -1, -1, 1, 1, 0, 0, 0, -1, -1, 0, 1, 1, 1, 0, -1, -1, 0, 0, 0, 1, 1, -1, -1, 0, 0, 0, 1, 1, 0, -1, -1, -1, 0, 1, 1, 0, 0, 0, -1, -1, 1, 1, 0, 0, 0, -1, -1, 0, 1, 1, 1, 0, -1
OFFSET
0,1
COMMENTS
Periodic with period length 2090. - Ray Chandler, Apr 07 2017
MAPLE
with(numtheory, cyclotomic); c := n->series(1/cyclotomic(n, x), x, 80);
MATHEMATICA
CoefficientList[Series[1/Cyclotomic[2090, x], {x, 0, 120}], x] (* Harvey P. Dale, Aug 03 2019 *)
CROSSREFS
Sequence in context: A015714 A015604 A015054 * A014724 A015439 A016379
KEYWORD
sign
AUTHOR
STATUS
approved

  NODES
COMMUNITY 1
INTERN 1