OFFSET
0,1
COMMENTS
Periodic with period length 1853. - Ray Chandler, Apr 07 2017
LINKS
FORMULA
a(n) = 1 if 0 <= (n mod 1853) <= 16, -1 if 109 <= (n mod 1853) <= 125, 0 otherwise. - Robert Israel, Dec 01 2016
MAPLE
with(numtheory, cyclotomic); c := n->series(1/cyclotomic(n, x), x, 80);
CROSSREFS
KEYWORD
sign
AUTHOR
STATUS
approved