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4, 65, 566, 3710, 20756, 105299, 500862, 2278936, 10046620, 43280341, 183278902, 766153042, 3171277460, 13027450455, 53203165950, 216290270892, 876183166140, 3539559610905, 14267986165270, 57416955957350, 230750092893524, 926388737476955, 3716144413352126
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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4,1
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LINKS
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FORMULA
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a(n) ~ 5 * 4^n / 6.
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MATHEMATICA
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Table[(CoefficientList[Simplify[(1-x)^n * PolyLog[-n, 2, x] / (x*Log[1-x])], x]/.x->1-E)[[4]], {n, 5, 20}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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