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Search: id:A099779
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| A099779 |
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Ceiling of (1/2)+(1/(2^{n+1})*Sum_{i=0..n-1}(C(n,i)*C(n,i+1)). |
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+0
1
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| 1, 2, 3, 4, 7, 13, 23, 44, 83, 159, 306, 590, 1144, 2220, 4317, 8408, 16399, 32023, 62601, 122498, 239924, 470304, 922612, 1811217, 3558035, 6993883, 13755529, 27068914, 53294747, 104979547, 206880514, 407866454, 804432711, 1587177283
(list; graph; listen)
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OFFSET
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2,2
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REFERENCES
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Radoslav Derka, Vladimir Buzek, Artur Ekert, Universal Algorithm for Optimal Estimation of Quantum States from Finite Ensembles, Phys.Rev.Lett. 80 (1998) 1571-1575
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MAPLE
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a:=n->ceil((1/2)+(1/(2^(n+1))*sum(binomial(n, i)*binomial(n, i+1), i=0..n-1))): seq(a(n), n=2..36); (Deutsch)
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CROSSREFS
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Sequence in context: A057983 A096723 A137495 this_sequence A000690 A049876 A049795
Adjacent sequences: A099776 A099777 A099778 this_sequence A099780 A099781 A099782
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KEYWORD
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nonn,easy
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AUTHOR
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Sibasish Ghosh, Simone Severini (ss54(AT)york.ac.uk), Nov 12 2004
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EXTENSIONS
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More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Feb 16 2005
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