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A215588
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n-th derivative of cosh(x)^tanh(x) at x=0.
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3
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1, 0, 0, 3, 0, -30, 90, 588, -5040, -11400, 325080, -336072, -25237080, 126955920, 2273150880, -25210740552, -217110741120, 4985924326080, 16380284725440, -1066531842442752, 1493617498611840, 249776526926340480, -1647997041357152640, -63281386481329443072
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OFFSET
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0,4
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LINKS
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Alois P. Heinz, Table of n, a(n) for n = 0..200
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FORMULA
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E.g.f.: cosh(x)^tanh(x).
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MAPLE
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a:= n-> n!* coeff(series(cosh(x)^tanh(x), x, n+1), x, n):
seq (a(n), n=0..25); # Alois P. Heinz, Aug 20 2012
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MATHEMATICA
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f[x_] := Cosh[x]^Tanh[x]; Table[Derivative[ n] [f][0], {n, 0, 25}]
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CROSSREFS
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Cf. A215586, A215683.
Sequence in context: A143769 A190963 A296436 * A215683 A215586 A215680
Adjacent sequences: A215585 A215586 A215587 * A215589 A215590 A215591
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KEYWORD
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sign
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AUTHOR
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Michel Lagneau, Aug 16 2012
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STATUS
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approved
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