A250186 Numbers n such that Phi(35,n) is prime, where Phi is the cyclotomic polynomial.

14, 33, 39, 55, 112, 130, 132, 138, 168, 176, 179, 186, 189, 195, 210, 246, 259, 264, 310, 318, 346, 417, 431, 467, 478, 480, 534, 545, 564, 567, 661, 671, 741, 744, 749, 757, 786, 794, 804, 825, 851, 866, 911, 948, 955, 962, 976, 992, 1014, 1033, 1042, 1082, 1109, 1161, 1193, 1220, 1244, 1260, 1268, 1278, 1313, 1414, 1437

Offset

1,1

Links

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

Mathematica

Select[Range[1500], PrimeQ[Cyclotomic[35, #]] &] (* Vincenzo Librandi, Jan 16 2015 *)

Prog

(PARI) {is(n)=isprime(polcyclo(35, n))};
for(n=1, 1000, if(is(n), print1(n, ", "))) \\ G. C. Greubel, May 20 2018

Crossrefs

Cf. A246392.

Sequence in context: A107484 A076329 A261560 * A191676 A191866 A162279

Adjacent sequences: A250183 A250184 A250185 * A250187 A250188 A250189

Keyword

nonn

Author

R. J. Mathar, Jan 12 2015

Status

approved