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A013065
cosh(sinh(x)+arctan(x))=1+4/2!*x^2+8/4!*x^4+214/6!*x^6-2120/8!*x^8...
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1, 4, 8, 214, -2120, 244474, -19663636, 2667954774, -459657139376, 101692759589938, -27454474974890796, 8721787160293603566, -3104642361378992916296, 1136421744211874484529546
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.
AT&T Labs Research
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