|
| |
|
|
A035827
|
|
Coordination sequence for lattice D*_84 (with edges defined by l_1 norm = 1).
|
|
0
| |
|
|
1, 168, 14112, 790328, 33200832, 1116022152, 31270754144, 751295258136, 15800653486464, 295529872503656, 4977542380850592, 76262444439584760, 1071822174138228800, 13915770164927528520, 167907946699820252640
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,2
|
|
|
REFERENCES
| J. Serra-Sagrista, Enumeration of lattice points in l_1 norm, Information Processing Letters, 76, no. 1-2 (2000), 39-44.
|
|
|
FORMULA
| a(m)=add(2^k*binomial(n, k)*binomial(m-1, k-1), k=0..n)+2^n*binomial((n+2*m)/2-1, n-1); with n=84.
|
|
|
CROSSREFS
| Sequence in context: A019286 A064767 A115222 * A075920 A181202 A076006
Adjacent sequences: A035824 A035825 A035826 * A035828 A035829 A035830
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), J. Serra-Sagrista (jserra(AT)ccd.uab.es)
|
| |
|
|