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A219279 Primes of the form ChebyshevT[16,n]. 2
708158977, 21293229181234844660737, 21260958687099552174028801, 46453251497945783267589121, 64576903826545426454350012417, 26475257580698876650533675799180801, 352799899930156494230719582325262337, 423592588581159655917184553299009537 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

ChebyshevT[16,x] is the 16th Chebyshev polynomial of the first kind evaluated at x.

The corresponding values n are in A219278.

LINKS

Table of n, a(n) for n=1..8.

MATHEMATICA

lst={}; Do[p=Abs[ChebyshevT[16, n]]; If[PrimeQ[p], AppendTo[lst, p]], {n, 10^3}]; lst

Select[ChebyshevT[16, Range[250]], PrimeQ] (* Harvey P. Dale, May 06 2013 *)

CROSSREFS

Cf. A219278.

Sequence in context: A034651 A274813 A203933 * A086041 A244186 A035518

Adjacent sequences:  A219276 A219277 A219278 * A219280 A219281 A219282

KEYWORD

nonn

AUTHOR

Michel Lagneau, Nov 17 2012

STATUS

approved

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Last modified May 26 03:55 EDT 2022. Contains 354074 sequences. (Running on oeis4.)