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Search: id:A060785
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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
(list; graph; listen)
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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 Ho"heren Ebenen Algebraischen Kurven, Encyclopa"die 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 geometriques remarquables (courbes speciales) Planes et Gauches. Tome I, Paris: Albert Blanchard, 1967 [First publ. 1919]; see p. 135.
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LINKS
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Harry J. Smith, Table of n, a(n) for n=2,...,1000
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FORMULA
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a(n)=30*n+a(n-1)-48 (with a(1)=0) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 15 2009]
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EXAMPLE
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For n=2, a(2)=30*2+0-48=12; n=3, a(3)=30*3+12-48=54; n=4, a(4)=30*4+54-48=126 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 15 2009]
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PROGRAM
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(PARI) { for (n=2, 1000, write("b060785.txt", n, " ", 3*(n - 2)*(5*n - 11)); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 11 2009]
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CROSSREFS
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Sequence in context: A034436 A000735 A022704 this_sequence A059986 A088941 A019582
Adjacent sequences: A060782 A060783 A060784 this_sequence A060786 A060787 A060788
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KEYWORD
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nonn,new
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AUTHOR
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Antreas P. Hatzipolakis (xpolakis(AT)otenet.gr), Apr 28 2001
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