|
Search: id:A022154
|
|
|
| A022154 |
|
Coordination sequence for root lattice B_12. |
|
+0
4
|
|
| 1, 288, 15776, 346304, 4254912, 34792672, 210482016, 1010803584, 4047994752, 14009305760, 43023042336, 119628650560, 305908697152, 728298521184, 1630273964256, 3458692036352, 7000203482880
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
REFERENCES
|
R. Bacher, P. de la Harpe and B. Venkov, Series de croissance et series d'Ehrhart associees aux reseaux de racines, C. R. Acad. Sci. Paris, 325 (Series 1) (1997), 1137-1142.
|
|
FORMULA
|
a(0)=1, a(n) = ( 65344*x^11 - 179168*x^10 + 2231680*x^9 - 4643760*x^8 + 22442112*x^7 - 33057024*x^6 + 76060160*x^5 - 69575440*x^4 + 72405344*x^3 - 29758608*x^2 + 8915760*x ) / 155925. - Ralf Stephan, Apr 28 2004
|
|
CROSSREFS
|
Sequence in context: A033692 A035749 A048145 this_sequence A069329 A037946 A047805
Adjacent sequences: A022151 A022152 A022153 this_sequence A022155 A022156 A022157
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
mbaake(AT)sunelc3.tphys.physik.uni-tuebingen.de (Michael Baake)
|
|
|
Search completed in 0.002 seconds
|
