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A027404 Number of labeled servers of dimension 17. 1

%I

%S 1,17,425,13209,481593,19960329,921249873,46658112705,2564687821041,

%T 151696177306497,9588646038606201,644058017836810857,

%U 45753059704756733865,3423681133127801126649,268929096702949443999393

%N Number of labeled servers of dimension 17.

%H Vincenzo Librandi, <a href="/A027404/b027404.txt">Table of n, a(n) for n = 0..200</a>

%H R. Donaghey, <a href="http://dx.doi.org/10.1016/0097-3165(76)90060-1">Binomial self-inverse sequences and tangent coefficients</a>, J. Combin. Theory, Series A, 21 (1976), 155-163.

%F E.g.f.: exp( sum( ((1+x)^i-1)/i, i=1..17 ) ).

%t Table[n!*SeriesCoefficient[E^(Sum[((1+x)^i - 1)/i, {i, 1, 17}]), {x, 0, n}], {n, 0, 20}] (* _Vincenzo Librandi_, Jan 01 2013 *)

%K nonn

%O 0,2

%A _Olivier GĂ©rard_

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Last modified February 27 23:34 EST 2020. Contains 332319 sequences. (Running on oeis4.)