|
Search: id:A113919
|
|
|
| A113919 |
|
Series expansion of elliptical invariant for the dodecahedron to 30 powers. |
|
+0
1
|
|
| 1, 196877, 22479658, 1086367744, 35319433658, 914121624578, 20399529974480
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
REFERENCES
|
Elliptic Curves, McKean and Moll, 1997, Cambridge University Press, page 22
|
|
FORMULA
|
b(n)=coefficent expansion of (-x^20 + 228*x^15 - 495*x^10 - 228*x^5 - 1)^3/(1728*x^5*(x^10 + 11*x^5 - 1)^5), a(n) = 1728*b(n)
|
|
MATHEMATICA
|
b = 1728*Flatten[{{1/1728}, Table[Coefficient[Series[(-x^20 + 228*x^15 - 495*x^10 - 228*x^5 - 1)^3/(1728*x^5*(x^10 + 11*x^5 - 1)^5), {x, 0, 30}], x^n], {n, 1, 30}]}]
|
|
CROSSREFS
|
Adjacent sequences: A113916 A113917 A113918 this_sequence A113920 A113921 A113922
Sequence in context: A034597 A037148 A024211 this_sequence A001379 A014708 A035230
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jan 29 2006
|
|
|
Search completed in 0.002 seconds
|
