A020505 - OEIS

A020505

Cyclotomic polynomials at x=-6.

-6, -7, -5, 31, 37, 1111, 43, 39991, 1297, 46441, 1555, 51828151, 1261, 1865813431, 55987, 1950271, 1679617, 2418094206391, 46873, 87051391430071, 1634221, 2527867231, 72559411, 112818603293371831, 1678321

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OFFSET

0,1

LINKS

Paolo Xausa, Table of n, a(n) for n = 0..1000

Index entries for cyclotomic polynomials, values at X

MAPLE

with(numtheory, cyclotomic); f := n->subs(x=-6, cyclotomic(n, x)); seq(f(i), i=0..64);

MATHEMATICA

Join[{-6}, Cyclotomic[Range[50], -6]] (* Paolo Xausa, Feb 26 2024 *)

CROSSREFS

Sequence in context: A157122 A193030 A035414 * A171538 A321094 A330114

Adjacent sequences: A020502 A020503 A020504 * A020506 A020507 A020508

KEYWORD

sign

AUTHOR

Simon Plouffe

STATUS

approved