|
Search: id:A035826
|
|
|
| A035826 |
|
Coordination sequence for lattice D*_82 (with edges defined by l_1 norm = 1). |
|
+0
1
|
|
| 1, 164, 13448, 735212, 30150416, 989374772, 27063010712, 634754375804, 13032761962016, 237979582489028, 3913291362389672, 58538327243118860, 803284881791282480, 10183280170264971860, 119978383321782198200
(list; graph; listen)
|
|
|
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=82.
|
|
CROSSREFS
|
Sequence in context: A063354 A105653 A038670 this_sequence A083255 A029563 A145665
Adjacent sequences: A035823 A035824 A035825 this_sequence A035827 A035828 A035829
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com), J. Serra-Sagrista (jserra(AT)ccd.uab.es)
|
|
|
Search completed in 0.002 seconds
|
