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A143582
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Denominators of coefficient of x^(n+1/2) in the series expansion of the haversine.
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2
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1, 3, 20, 56, 576, 1408, 6656, 5120, 278528, 622592, 2752512, 6029312, 52428800, 113246208, 486539264, 1040187392, 11811160064, 15032385536, 317827579904, 223338299392, 5634997092352, 11819749998592, 3298534883328
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OFFSET
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1,2
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LINKS
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EXAMPLE
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2*sqrt(z) + z^(3/2)/3 + (3*z^(5/2))/20 + (5*z^(7/2))/56 + (35*z^(9/2))/576 + ...
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CROSSREFS
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KEYWORD
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nonn,frac
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AUTHOR
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STATUS
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approved
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