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A250191 Numbers n such that Phi(44,n) is prime, where Phi is the cyclotomic polynomial. 2
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified September 19 03:31 EDT 2021. Contains 347550 sequences. (Running on oeis4.)