A020506 - OEIS

A020506

Cyclotomic polynomials at x = -7.

-7, -8, -6, 43, 50, 2101, 57, 102943, 2402, 117307, 2801, 247165843, 2353, 12111126301, 137257, 6568801, 5764802, 29078814248401, 117993, 1424861898171643, 5649505, 15772610449, 329554457, 3421093417510114543, 5762401, 79787519018560501, 16148168401, 1628413557556843

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OFFSET

0,1

COMMENTS

Sequence has a(0) = x; see comments in A020501.

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=-7, cyclotomic(n, x)); seq(f(i), i=0..64);

MATHEMATICA

Join[{-7}, Cyclotomic[Range[50], -7]] (* Paolo Xausa, Feb 26 2024 *)