OFFSET
0,1
COMMENTS
Periodic with period length 330. - Ray Chandler, Apr 03 2017
LINKS
Ray Chandler, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (1, -1, 0, 0, -1, 1, -1, 0, 0, 0, -1, 1, -1, 0, 1, -2, 2, -1, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, -1, 2, -2, 2, -1, 0, 1, -1, 1, -1, 1, -1, 1, -1, 1, 0, -1, 2, -2, 2, -1, 0, 1, -1, 1, 0, 0, 0, 1, -1, 1, 0, -1, 2, -2, 1, 0, -1, 1, -1, 0, 0, 0, -1, 1, -1, 0, 0, -1, 1, -1).
MAPLE
with(numtheory, cyclotomic); c := n->series(1/cyclotomic(n, x), x, 80);
CROSSREFS
KEYWORD
sign
AUTHOR
STATUS
approved