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A064200 12*n*(n-1). 0
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; refs; listen; history; internal format)
OFFSET

0,3

REFERENCES

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.

LINKS

Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets

FORMULA

a(n)=24*(n-1)+a(n-1) (with a(0)=0) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Aug 07 2010]

EXAMPLE

a(1)=24*0+0=0; a(2)=24*1+0=24; a(3)=24*2+24=72; [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Aug 07 2010]

CROSSREFS

Sequence in context: A143337 A183006 A090860 * A192833 A189540 A042128

Adjacent sequences:  A064197 A064198 A064199 * A064201 A064202 A064203

KEYWORD

nonn

AUTHOR

Antreas P. Hatzipolakis (xpolakis(AT)otenet.gr), Sep 22 2001

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Last modified February 17 18:41 EST 2012. Contains 206074 sequences.