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A123276 Discriminant of the Chebyshev polynomial of first kind of degree 2^n. 0
1, 8, 131072, 9444732965739290427392, 994646472819573284310764496293641680200912301594695434880927953786318994025066751066112 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
Next term is too large to include.
LINKS
FORMULA
a(n) = 2^(4^n+(n+1)*2^n-3*2^n+1).
PROG
(PARI) a(n)=2^(4^n+(n+1)*2^n-3*2^n+1)
(PARI) a(n) = poldisc(polchebyshev(2^n, 1)); \\ Michel Marcus, Mar 02 2023
CROSSREFS
Cf. A007701.
Sequence in context: A048565 A339777 A269877 * A308138 A123651 A210812
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Oct 10 2006
STATUS
approved

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Last modified June 21 21:50 EDT 2024. Contains 373559 sequences. (Running on oeis4.)