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A020509

Cyclotomic polynomials at x=-10.

-10, -11, -9, 91, 101, 9091, 111, 909091, 10001, 999001, 11111, 9090909091, 9901, 909090909091, 1111111, 109889011, 100000001, 9090909090909091, 1001001, 909090909090909091, 99009901, 1098900989011, 11111111111

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OFFSET

0,1

LINKS

Paolo Xausa, Table of n, a(n) for n = 0..900

Index entries for cyclotomic polynomials, values at X

MAPLE

with(numtheory, cyclotomic); f := n->subs(x=-10, cyclotomic(n, x)); seq(f(i), i=0..64);

MATHEMATICA

Join[{-10}, Cyclotomic[Range[30], -10]] (* Paolo Xausa, Feb 26 2024 *)

CROSSREFS

Sequence in context: A004451 A352390 A004499 * A373696 A103181 A100813

Adjacent sequences: A020506 A020507 A020508 * A020510 A020511 A020512

KEYWORD

sign

AUTHOR

Simon Plouffe

STATUS

approved

URL: https://oeis.org/A020509

⇱ A020509 - OEIS