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Search: id:A035811
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| A035811 |
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Coordination sequence for lattice D*_52 (with edges defined by l_1 norm = 1). |
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1
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| 1, 104, 5408, 187512, 4878016, 101575240, 1763889504, 26278912088, 342948774272, 3983402767656, 41701747803040, 397530217856824, 3480013344595008, 28176478479561992, 212293851572113376
(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=52.
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CROSSREFS
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Adjacent sequences: A035808 A035809 A035810 this_sequence A035812 A035813 A035814
Sequence in context: A132434 A092714 A007267 this_sequence A004393 A015272 A048920
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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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