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A015862
Inverse of 1853rd cyclotomic polynomial.
1
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
OFFSET
0,1
COMMENTS
Periodic with period length 1853. - Ray Chandler, Apr 07 2017
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
Sequence in context: A015726 A015760 A015828 * A015930 A016168 A016236
KEYWORD
sign
AUTHOR
STATUS
approved