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A030813
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a(n) = floor(exp(16/23) * n!).
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0
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2, 4, 12, 48, 240, 1443, 10105, 80842, 727580, 7275803, 80033833, 960405999, 12485277998, 174793891980, 2621908379701, 41950534075224, 713159079278809, 12836863427018578, 243900405113352992, 4878008102267059852
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OFFSET
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1,1
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LINKS
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EXAMPLE
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16/23 = 0.69565217391304347826...
e^(16/23) = 2.00501626694078250734215635836..., so a(1) = 2.
e^(16/23) * 2! = 4.01003253388156501468431271672..., so a(2) = 4.
e^(16/23) * 3! = 12.03009760164469504405293815..., so a(3) = 12.
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MATHEMATICA
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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