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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Periodic with period length 1853. - Ray Chandler, Apr 07 2017

LINKS

Ray Chandler, Table of n, a(n) for n = 0..2000

Index entries for linear recurrences with constant coefficients, order 1728.

Index to sequences related to inverse of cyclotomic polynomials

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: * A015930 A016168 A016236 A015352 A015250 A015216

Adjacent sequences:  A015859 A015860 A015861 * A015863 A015864 A015865

KEYWORD

sign

AUTHOR

Simon Plouffe

STATUS

approved

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Last modified June 24 15:07 EDT 2017. Contains 288697 sequences.