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A027401 Number of labeled servers of dimension 14. 0
1, 14, 287, 7294, 217049, 7331702, 275462383, 11345500934, 506714842193, 24333314152798, 1247903186686079, 67963075644539726, 3912399735781945513, 237116383434817605446, 15077800699956919811471 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

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, 14} ] ]

CROSSREFS

Sequence in context: A205353 A053101 A205746 * A181192 A158475 A116165

Adjacent sequences:  A027398 A027399 A027400 * A027402 A027403 A027404

KEYWORD

nonn

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified February 16 13:30 EST 2012. Contains 205909 sequences.