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 A241039 Cyclotomic(n,2048). 1
 1, 2047, 2049, 4196353, 4194305, 17600780175361, 4192257, 73823022692637345793, 17592186044417, 73786976303428141057, 17583600302081, 1298708349570020393652962442872833, 17592181850113 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Are all terms composite? At least the first 10000 terms are. LINKS T. D. Noe, Table of n, a(n) for n = 0..300 MATHEMATICA Table[Cyclotomic[k, 2048], {k, 0, 20}] CROSSREFS Cf. A019320-A019331 (cyclotomic polynomials evaluated at 2..13). Cf. A020500-A020513 (cyclotomic polynomials evaluated at 1, -2..-13, -1). Cf. A117544 (least k such that cyclotomic(n,k) is prime). Cf. A117545 (least k such that cyclotomic(k,n) is prime). Sequence in context: A024021 A298756 A145590 * A278353 A038462 A001262 Adjacent sequences:  A241036 A241037 A241038 * A241040 A241041 A241042 KEYWORD nonn AUTHOR T. D. Noe, Apr 15 2014 STATUS approved

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Last modified June 19 12:12 EDT 2021. Contains 345128 sequences. (Running on oeis4.)