A144132 Primes of the form ChebyshevT[8,n].

665857, 7380481, 708158977, 325142092801, 1401864610177, 2161873163521, 448940843963137, 1494471913541377, 2563669662007681, 3045085994259457, 27932995018647937, 115054894682275201, 128098973812320001

Offset

1,1

Links

Robert Israel, Table of n, a(n) for n = 1..10000

Maple

select(isprime, [seq(128*x^8 - 256*x^6 + 160*x^4 - 32*x^2 + 1, x=1..100)]); # Robert Israel, Aug 13 2024

Mathematica

lst={}; Do[p=ChebyshevT[8, n]; If[PrimeQ[p], AppendTo[lst, p]], {n, 9^3}]; lst

Crossrefs

Sequence in context: A209596 A038827 A038816 * A069373 A270801 A348832

Adjacent sequences: A144129 A144130 A144131 * A144133 A144134 A144135

Keyword

nonn

Author

Vladimir Joseph Stephan Orlovsky, Sep 11 2008

Status

approved