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A308537
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a(n) = exp(-1) * Sum_{k>=0} (k + n - 1)!^n/(k!*(k - 1)!^n).
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0
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1, 1, 27, 104149, 192052025697, 401307330353526478576, 1891640643805444860923624673784723, 35720630453521390599442254755998585843785410691847, 4425335738067265257031641848982502946902371654704454173556393591653249
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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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MATHEMATICA
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Table[Exp[-1] Sum[(k + n - 1)!^n/(k! (k - 1)!^n), {k, 0, Infinity}], {n, 0, 8}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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