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A009063
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Expansion of e.g.f. cos(sinh(x)*sin(x)) in powers of x^4.
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1
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1, -12, 2128, -1586112, 3134810368, -13146370501632, 101503034352652288, -1310949029247657295872, 26429820982888342672703488, -788858770066309331711165202432, 33443475995623429145380539537031168
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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With[{nmax = 120}, CoefficientList[Series[Cos[Sinh[x]*Sin[x]], {x, 0, nmax}], x]*Range[0, nmax]!][[1 ;; ;; 4]] (* G. C. Greubel, Jul 24 2018 *)
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PROG
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(PARI) x='x+O('x^50); v=Vec(serlaplace(cos(sinh(x)*sin(x)))); vector(#v\4, n, v[4*n-3]) \\ G. C. Greubel, Jul 24 2018
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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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