|
| |
|
|
A019564
|
|
Coordination sequence for C_8 lattice.
|
|
1
| |
|
|
1, 128, 2816, 27008, 157184, 658048, 2187520, 6140800, 15158272, 33830016, 69629696, 134110592, 244396544, 425000576, 710003968, 1145628544, 1793234944, 2732779648, 4066763520, 5924704640
(list; graph; refs; listen; history; internal format)
|
|
|
|
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
| G.f.: (1+120*x+1820*x^2+8008*x^3+12870*x^4+8008*x^5+1820*x^6+120*x^7+x^8)/(1-x)^8.
|
|
|
CROSSREFS
| Sequence in context: A092759 A056574 A096961 * A128802 A022150 A191899
Adjacent sequences: A019561 A019562 A019563 * A019565 A019566 A019567
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| mbaake(AT)sunelc3.tphys.physik.uni-tuebingen.de (Michael Baake)
|
| |
|
|
