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Search: id:A035802
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| A035802 |
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Coordination sequence for lattice D*_34 (with edges defined by l_1 norm = 1). |
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1
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| 1, 68, 2312, 52428, 892432, 12168532, 138504984, 1354168796, 11614313504, 88805833316, 613171117352, 3863171679980, 22402282117680, 120450005575540, 604244840324920, 2843633280971772, 12614155679414336
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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=34.
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CROSSREFS
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Adjacent sequences: A035799 A035800 A035801 this_sequence A035803 A035804 A035805
Sequence in context: A039507 A017784 A035729 this_sequence A017731 A093268 A004298
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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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