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Search: id:A035827
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| A035827 |
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Coordination sequence for lattice D*_84 (with edges defined by l_1 norm = 1). |
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1
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| 1, 168, 14112, 790328, 33200832, 1116022152, 31270754144, 751295258136, 15800653486464, 295529872503656, 4977542380850592, 76262444439584760, 1071822174138228800, 13915770164927528520, 167907946699820252640
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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=84.
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CROSSREFS
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Sequence in context: A019286 A064767 A115222 this_sequence A075920 A076006 A130215
Adjacent sequences: A035824 A035825 A035826 this_sequence A035828 A035829 A035830
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), J. Serra-Sagrista (jserra(AT)ccd.uab.es)
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