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A060785
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a(n) = 3*(n-2)*(5*n -11).
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1
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0, 12, 54, 126, 228, 360, 522, 714, 936, 1188, 1470, 1782, 2124, 2496, 2898, 3330, 3792, 4284, 4806, 5358, 5940, 6552, 7194, 7866, 8568, 9300, 10062, 10854, 11676, 12528, 13410, 14322, 15264, 16236, 17238, 18270, 19332, 20424, 21546
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OFFSET
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2,2
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REFERENCES
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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. pp. 313 - 455.
H. Brocard and T. Lemoyne, Courbes géométriques remarquables (courbes spéciales) Planes et Gauches. Tome I, Paris: Albert Blanchard, 1967 [First publ. 1919]; see p. 135.
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LINKS
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FORMULA
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MATHEMATICA
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Table[3(n-2)(5n-11), {n, 2, 50}] (* or *) LinearRecurrence[{3, -3, 1}, {0, 12, 54}, 50] (* Harvey P. Dale, May 24 2023 *)
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PROG
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(PARI) for (n=2, 1000, write("b060785.txt", n, " ", 3*(n - 2)*(5*n - 11)); ) \\ Harry J. Smith, Jul 11 2009
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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Antreas P. Hatzipolakis (xpolakis(AT)otenet.gr), Apr 28 2001
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STATUS
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approved
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