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A019322

Cyclotomic polynomials at x=4.

4, 3, 5, 21, 17, 341, 13, 5461, 257, 4161, 205, 1398101, 241, 22369621, 3277, 49981, 65537, 5726623061, 4033, 91625968981, 61681, 12783421, 838861, 23456248059221, 65281, 1100586419201, 13421773, 68719738881

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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=4, cyclotomic(n, x)); seq(f(i), i=0..64);

MATHEMATICA

Join[{4}, Cyclotomic[Range[50], 4]] (* Paolo Xausa, Feb 26 2024 *)

CROSSREFS

Sequence in context: A140391 A316965 A241284 * A257301 A298801 A340297

Adjacent sequences: A019319 A019320 A019321 * A019323 A019324 A019325

KEYWORD

nonn

AUTHOR

Simon Plouffe

STATUS

approved

URL: https://oeis.org/A019322

⇱ A019322 - OEIS