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A009675
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Tan(sin(x)^2) = 2/2!*x^2 - 8/4!*x^4 + 272/6!*x^6 - 13568/8!*x^8 + ...
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3
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0, 2, -8, 272, -13568, 1048832, -128073728, 21002749952, -4567924441088, 1269483920556032, -437557299535413248, 183472013004069404672, -91918408815486181572608, 54224850406884797340188672
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OFFSET
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0,2
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LINKS
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FORMULA
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MAPLE
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S:= series(tan(sin(x)^2), x, 101):
seq(coeff(S, x, j)*j!, j=0..100, 2); # Robert Israel, Apr 02 2017
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MATHEMATICA
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Tan[ Sin[ x ]^2 ] (* Even Part *)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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