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Search: id:A064200
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| 0, 0, 24, 72, 144, 240, 360, 504, 672, 864, 1080, 1320, 1584, 1872, 2184, 2520, 2880, 3264, 3672, 4104, 4560, 5040, 5544, 6072, 6624, 7200, 7800, 8424, 9072, 9744, 10440, 11160, 11904, 12672, 13464, 14280, 15120, 15984, 16872, 17784
(list; graph; listen)
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OFFSET
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0,3
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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. p. 341.
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LINKS
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Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets
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FORMULA
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a(n)=24*n+a(n-1)-48 (with a(1)=0) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 14 2009]
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EXAMPLE
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For n=2, a(2)=24*2+0-48=0: n=3, a(3)=24*3+0-48=24; n=4, a(4)=24*4+24-48=72 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 14 2009]
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CROSSREFS
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Sequence in context: A006352 A143337 A090860 this_sequence A042128 A043406 A044162
Adjacent sequences: A064197 A064198 A064199 this_sequence A064201 A064202 A064203
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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), Sep 22 2001
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