A019331 Cyclotomic polynomials at x=13.

13, 12, 14, 183, 170, 30941, 157, 5229043, 28562, 4829007, 26521, 149346699503, 28393, 25239592216021, 4482037, 753327121, 815730722, 720867993281778161, 4824613, 121826690864620509223, 810932305

Offset: 0

Author

Simon Plouffe

Keywords

• nonn

Links

• Robert Israel, Table of n, a(n) for n = 0..906
• Index entries for cyclotomic polynomials, values at X

Programs

Maple

with(numtheory,cyclotomic); f := n->subs(x=13,cyclotomic(n,x)); seq(f(i),i=0..64);

Mathematica

Join[{13}, Cyclotomic[Range[30], 13]] (* Paolo Xausa, Feb 26 2024 *)