

A027401


Number of labeled servers of dimension 14.


1



1, 14, 287, 7294, 217049, 7331702, 275462383, 11345500934, 506714842193, 24333314152798, 1247903186686079, 67963075644539726, 3912399735781945513, 237116383434817605446, 15077800699956919811471
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OFFSET

0,2


LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200
R. Donaghey, Binomial selfinverse sequences and tangent coefficients, J. Combin. Theory, Series A, 21 (1976), 155163.


FORMULA

E.g.f.: exp( sum( ((1+x)^i1)/i, i=1..14 ) ).


MATHEMATICA

Table[n!*SeriesCoefficient[E^(Sum[((1+x)^i  1)/i, {i, 1, 14}]), {x, 0, n}], {n, 0, 20}] (* Vincenzo Librandi, Dec 31 2012 *)


CROSSREFS

Sequence in context: A053101 A205746 A281607 * A259432 A233069 A181192
Adjacent sequences: A027398 A027399 A027400 * A027402 A027403 A027404


KEYWORD

nonn


AUTHOR

Olivier Gérard


STATUS

approved



