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A115184
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Denominator of coefficient of x^(2n-1) in series of 3*sin(x)/(2+cos(x)).
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1
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1, 1, 180, 1512, 25920, 3991680, 849139200, 4311014400, 1600593426432000, 2146678242508800, 576213633515520000, 423033001181754163200, 3034801964999540736000000, 1329532289428370227200000
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OFFSET
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1,3
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LINKS
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EXAMPLE
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x - x^5/180 - x^7/1512 - x^9/25920 + x^11/3991680 + (269*x^13)/849139200 + ...
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MATHEMATICA
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Denominator[ CoefficientList[ Series[3Sin[x]/(2 + Cos[x]), {x, 0, 29}], x]] [[2Range@14]] (* Robert G. Wilson v, Jan 21 2006 *)
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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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