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

Offset: 0

Author

Simon Plouffe

Keywords

• nonn

Links

• Paolo Xausa, Table of n, a(n) for n = 0..1000
• Index entries for cyclotomic polynomials, values at X

Programs

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 *)