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A240331 Inverse of 47th cyclotomic polynomial. 2
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, 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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0

COMMENTS

Periodic with period length 47. - Ray Chandler, Apr 03 2017

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1).

Index to sequences related to inverse of cyclotomic polynomials

MATHEMATICA

CoefficientList[Series[1/Cyclotomic[47, x], {x, 0, 100}], x]

PROG

(MAGMA) &cat[[n le 2 select -(-1)^(n) else 0: n in [1..47]]: m in [1..4]];

CROSSREFS

Cf. similar sequences listed in A240328.

Sequence in context: A240350 A240349 A240348 * A240330 A240329 A240328

Adjacent sequences:  A240328 A240329 A240330 * A240332 A240333 A240334

KEYWORD

sign,easy

AUTHOR

Vincenzo Librandi, Apr 04 2014

STATUS

approved

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Last modified April 20 09:59 EDT 2019. Contains 322309 sequences. (Running on oeis4.)