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Search: id:A035835
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| A035835 |
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Coordination sequence for lattice D*_100 (with edges defined by l_1 norm = 1). |
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1
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| 1, 200, 20000, 1333400, 66680000, 2668000040, 88977788000, 2544128228600, 63669939056000, 1416866300977800, 28388261970800800, 517309471897178200, 8645481416595304000, 133445129808456135400, 1913769409906455052000
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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J. Serra-Sagrista, Enumeration of lattice points in l_1 norm, Information Processing Letters, 76, no. 1-2 (2000), 39-44.
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FORMULA
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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=100.
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CROSSREFS
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Adjacent sequences: A035832 A035833 A035834 this_sequence A035836 A035837 A035838
Sequence in context: A129641 A035747 A022152 this_sequence A027825 A098963 A107843
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KEYWORD
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nonn
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AUTHOR
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njas, J. Serra-Sagrista (jserra(AT)ccd.uab.es)
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