OFFSET
1,1
LINKS
Robert Price, Table of n, a(n) for n = 1..104
Yves Gallot, Cyclotomic polynomials and prime numbers
MATHEMATICA
Select[ Range[ 2000], PrimeQ[ Cyclotomic[#, -6]] &] (* Robert G. Wilson v, Mar 25 2012 *)
PROG
(PARI) for( i=1, 999, ispseudoprime( polcyclo(i, -6)) && print1( i", ")) /* use ...subst(polcyclo(i), x, -6)... in PARI < 2.4.2 */
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, Apr 03 2008
EXTENSIONS
a(51)-a(54) from Robert Price, Apr 02 2012
STATUS
approved