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Search: id:A086116
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| A086116 |
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Numerator of mean deviation of a symmetrical binomial distribution on n elements. |
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+0
3
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| 1, 1, 3, 3, 15, 15, 35, 35, 315, 315, 693, 693, 3003, 3003, 6435, 6435, 109395, 109395, 230945, 230945, 969969, 969969, 2028117, 2028117, 16900975, 16900975, 35102025, 35102025, 145422675, 145422675, 300540195, 300540195, 9917826435
(list; graph; listen)
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OFFSET
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1,3
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LINKS
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Eric Weisstein's World of Mathematics, Random Walk 1-Dimensional
Eric Weisstein's World of Mathematics, Binomial Distribution
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MATHEMATICA
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Numerator[Table[If[OddQ[n], n!!/2/(n-1)!!, (n-1)!!/2/(n-2)!! ], {n, 50}]]
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CROSSREFS
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Cf. A001803, A086117.
Sequence in context: A100371 A100347 A114320 this_sequence A100735 A129356 A055634
Adjacent sequences: A086113 A086114 A086115 this_sequence A086117 A086118 A086119
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KEYWORD
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nonn,frac
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Jul 10, 2003
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