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A174309 Value of the polynomial y = (x^(2n-1) + 1)/(x + 1) at the point x = discriminant of y. 7
1, 13, 242203001, 22540681439108936194378057, 273892687731183836066546120028455556686378073137630689 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
MATHEMATICA
s = {}; Do[pol = Simplify[(x^n + 1)/(x + 1)]; d = Discriminant[pol, x]; AppendTo[s, pol /. x -> d], {n, 1, 10, 2}]; s
PROG
(PARI) a(n) = my(p=(x^(2*n-1) + 1)/(x + 1)); subst(p, x, poldisc(p)); \\ Michel Marcus, Mar 02 2023
CROSSREFS
Sequence in context: A177027 A158750 A145744 * A081509 A177224 A145234
KEYWORD
nonn
AUTHOR
Artur Jasinski, Mar 15 2010
STATUS
approved

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)