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 A064203 n*(n^2 - 1)*(n+2)*(2*n^5 + 14*n^4 + 49*n^3 + 91*n^2 + 90*n + 18)/324. 1
 0, 0, 92, 1500, 11780, 61880, 249480, 831992, 2403800, 6205760, 14630660, 32006260, 65757692, 128073400, 238223440, 425705840, 734425840, 1228144192, 1997464300, 3168663820, 4914714420, 7468873720, 11141275992, 16338993000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 REFERENCES L. Berzolari, Allgemeine Theorie der Höheren Ebenen Algebraischen Kurven, Encyclopädie der Mathematischen Wissenschaften mit Einschluss ihrer Anwendungen. Band III_2. Heft 3, Leipzig: B. G. Teubner, 1906. p. 352. LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 FORMULA G.f.: 4*x^2*(23+145*x+230*x^2+135*x^3+25*x^4+2*x^5)/(1-x)^10. - Colin Barker, Feb 28 2012 MATHEMATICA Table[n*(n^2-1)*(n+2)*(2*n^5+14*n^4+49*n^3+91*n^2+90*n +18)/324, {n, 0, 40}] (* Vincenzo Librandi, Feb 29 2012 *) PROG (Magma) [n*(n^2 - 1)*(n+2)*(2*n^5 + 14*n^4 + 49*n^3 + 91*n^2 + 90*n + 18)/324: n in [0..30]]; // Vincenzo Librandi, Feb 29 2012 CROSSREFS Sequence in context: A279913 A172449 A251934 * A265968 A179798 A232795 Adjacent sequences: A064200 A064201 A064202 * A064204 A064205 A064206 KEYWORD nonn,easy AUTHOR Antreas P. Hatzipolakis (xpolakis(AT)otenet.gr), Sep 22 2001 STATUS approved

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Last modified June 13 15:19 EDT 2024. Contains 373389 sequences. (Running on oeis4.)