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Search: id:A035834
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| A035834 |
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Coordination sequence for lattice D*_98 (with edges defined by l_1 norm = 1). |
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1
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| 1, 196, 19208, 1254988, 61504016, 2411710420, 78823543064, 2208781856092, 54174273131552, 1181513222975204, 23200998588819240, 414366303855940716, 6787317128471047728, 102682475886364669428, 1443372362804937698616
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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=98.
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CROSSREFS
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Sequence in context: A128990 A061619 A006362 this_sequence A114761 A076002 A145020
Adjacent sequences: A035831 A035832 A035833 this_sequence A035835 A035836 A035837
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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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