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A012157
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sec(tan(sinh(x)))=1+1/2!*x^2+17/4!*x^4+673/6!*x^6+48929/8!*x^8...
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0
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1, 1, 17, 673, 48929, 5673089, 961574833, 224363899425, 68975480890433, 27023130631305217, 13143522467110047569, 7770835407698957687457, 5488724780305016514749281, 4564763996367746354642156161
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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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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