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 A174308 Values of the family of polynomials y = Sum_{z = 0..n-1} x^z at point x = discriminant of y. 8
 1, 2, 7, -3855, 246109501, 3658981728433681, 22537999301860113141522943, -85070267212918892756053780436965654527, 273892802259521776518514883585359984420603636167980521, 1000000010000000100000001000000010000000100000001000000010000000100000001 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..10. MATHEMATICA Clear[x]; s = {}; Do[pol = Simplify[(x^n - 1)/(x - 1)]; d = Discriminant[pol, x]; AppendTo[s, pol /. x -> d], {n, 1, 10}]; s PROG (PARI) a(n) = my(p=sum(k=0, n-1, x^k)); subst(p, x, poldisc(p)); \\ Michel Marcus, Mar 02 2023 CROSSREFS Cf. A174304, A174305, A174306, A174307, A174308, A174309, A174310, A174311. Sequence in context: A358482 A320505 A144836 * A088549 A226704 A224420 Adjacent sequences: A174305 A174306 A174307 * A174309 A174310 A174311 KEYWORD sign AUTHOR Artur Jasinski, Mar 15 2010 EXTENSIONS One more term from Michel Marcus, Mar 02 2023 STATUS approved

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Last modified April 21 10:04 EDT 2024. Contains 371852 sequences. (Running on oeis4.)