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A027411 Number of labeled servers of dimension 24. 1
1, 24, 852, 37744, 1966524, 116700000, 7724244400, 561784372800, 44396860502400, 3779370642880000, 344139248144428800, 33327371339580595200, 3416104056409100425600, 369103767451972835251200 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

R. Donaghey, Binomial self-inverse sequences and tangent coefficients, J. Combin. Theory, Series A, 21 (1976), 155-163.

FORMULA

E.g.f.: exp( sum( ((1+x)^i-1)/i, i=1..24 ) ).

MATHEMATICA

Table[n!*SeriesCoefficient[E^(Sum[((1+x)^i - 1)/i, {i, 1, 24}]), {x, 0, n}], {n, 0, 20}] (* Vincenzo Librandi, Jan 01 2013 *)

CROSSREFS

Sequence in context: A208792 A195130 A005149 * A184281 A220176 A246215

Adjacent sequences:  A027408 A027409 A027410 * A027412 A027413 A027414

KEYWORD

nonn

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified November 27 17:39 EST 2014. Contains 250249 sequences.