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A009496
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Expansion of e.g.f. sin(sinh(x)*exp(x)).
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1
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0, 1, 2, 3, -4, -83, -658, -4193, -22440, -83975, 120122, 7476315, 112365332, 1294231525, 12752263526, 105731717431, 610305421872, -1116308339087, -115998206237710, -2570453790514893, -43180432963618900, -622814297059769699, -7810135072307898658
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OFFSET
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0,3
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LINKS
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FORMULA
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a(n) = 2^n*Im(B_n(i/2)), where B_n(x) is n-th Bell polynomial, i=sqrt(-1). - Vladimir Reshetnikov, Oct 22 2015
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MATHEMATICA
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Table[SeriesCoefficient[Sin[Sinh[x] Exp[x]], {x, 0, n}] n!, {n, 0, 20}]
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CROSSREFS
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KEYWORD
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sign,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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