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A012868
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Numerators of coefficients in Taylor series expansion of log(cotan(x)*arcsinh(x)).
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1
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0, -1, -1, -1, 347, -1531, 590267, -37723537, 1103996977, -2158074791, 328785573754709, -134852375996381, 3427455470023873621, -13844935285148389217, 6142449451071240707, -43761094586606903148089, 37938502177281712935274975819, -110450564689571423030247983611, 4389621268440117526955711378765711
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OFFSET
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0,5
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LINKS
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EXAMPLE
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-1/2*x^2-1/60*x^4-1/18*x^6+347/22680*x^8-1531/85050*x^10+590267/52123500*x^12+...
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CROSSREFS
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KEYWORD
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sign,frac
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AUTHOR
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Patrick Demichel (patrick.demichel(AT)hp.com)
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EXTENSIONS
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STATUS
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approved
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