A250191 Numbers n such that Phi(44,n) is prime, where Phi is the cyclotomic polynomial.

25, 60, 70, 77, 86, 116, 117, 119, 137, 151, 166, 175, 176, 177, 181, 184, 202, 208, 229, 241, 300, 313, 328, 332, 344, 385, 402, 442, 444, 446, 453, 467, 470, 500, 501, 522, 527, 531, 532, 534, 568, 584, 592, 629, 690, 696, 701, 706, 709, 728, 734, 749, 795, 812, 828, 838, 844, 845, 855, 857, 950, 951, 965, 991, 1009

Offset

1,1

Links

G. C. Greubel, Table of n, a(n) for n = 1..10000

Mathematica

Select[Range[1100], PrimeQ[Cyclotomic[44, #]] &] (* Vincenzo Librandi, Jan 16 2015 *)

Prog

(PARI) {is(n)=isprime(polcyclo(44, n))};
for(n=1, 1000, if(is(n)==1, print1(n, ", "))) \\ G. C. Greubel, May 18 2018

Crossrefs

Cf. A246392.

Sequence in context: A257708 A266817 A125827 * A163654 A063317 A241505

Adjacent sequences: A250188 A250189 A250190 * A250192 A250193 A250194

Keyword

nonn

Author

R. J. Mathar, Jan 12 2015

Status

approved