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%I #13 Jun 01 2014 02:14:22
%S 1,5,35,295,2855,30899,367345,4736765,65621105,969466645,15182851451,
%T 250823689055,4352985062935,79083190500995,1499493878690105,
%U 29595296385870949,606610493947464545,12885821188298643365
%N Number of labeled servers of dimension 5.
%H Vincenzo Librandi, <a href="/A027392/b027392.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( (x*(300 + 300*x + 200*x^2 + 75*x^3 + 12*x^4))/60 ).
%t Table[n!*SeriesCoefficient[E^((x * (300 + 300 * x + 200 * x^2 + 75 * x^3 + 12 * x^4))/60), {x, 0, n}], {n, 0, 20}] (* _Vincenzo Librandi_, Dec 31 2012 *)
%K nonn
%O 0,2
%A _Olivier Gérard_
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