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A027392
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Number of labeled servers of dimension 5.
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0
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1, 5, 35, 295, 2855, 30899, 367345, 4736765, 65621105, 969466645, 15182851451, 250823689055, 4352985062935, 79083190500995, 1499493878690105, 29595296385870949, 606610493947464545, 12885821188298643365
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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REFERENCES
| R. Donaghey, Binomial self-inverse sequences and tangent coefficients, J. Combin. Theory, Series A, 21 (1976), 155-163.
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FORMULA
| E.g.f.: Exp[ (x*(300 + 300*x + 200*x^2 + 75*x^3 + 12*x^4))/60 ]
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CROSSREFS
| Sequence in context: A002294 A051406 A000356 * A177354 A109253 A052797
Adjacent sequences: A027389 A027390 A027391 * A027393 A027394 A027395
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KEYWORD
| nonn
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AUTHOR
| Olivier Gerard (olivier.gerard(AT)gmail.com)
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