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Search: id:A035824
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| A035824 |
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Coordination sequence for lattice D*_78 (with edges defined by l_1 norm = 1). |
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1
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| 1, 156, 12168, 632788, 24684816, 770545932, 20050650776, 447393464388, 8739210543648, 151827622117756, 2375502273471912, 33813163932788916, 441550716354149168, 5327219734962149868, 59738920517881797816
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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=78.
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CROSSREFS
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Sequence in context: A065699 A023903 A035838 this_sequence A006112 A028675 A090851
Adjacent sequences: A035821 A035822 A035823 this_sequence A035825 A035826 A035827
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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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