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Search: id:A027392
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| A027392 |
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Number of labeled servers of dimension 5. |
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+0
1
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| 1, 5, 35, 295, 2855, 30899, 367345, 4736765, 65621105, 969466645, 15182851451, 250823689055, 4352985062935, 79083190500995, 1499493878690105, 29595296385870949, 606610493947464545, 12885821188298643365
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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R. Donaghey, Binomial self-inverse sequences and tangent coefficients, J. Combin. Theory, Series A, 21 (1976), 155-163.
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FORMULA
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E.g.f.: Exp[ (x*(300 + 300*x + 200*x^2 + 75*x^3 + 12*x^4))/60 ]
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CROSSREFS
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Adjacent sequences: A027389 A027390 A027391 this_sequence A027393 A027394 A027395
Sequence in context: A002294 A051406 A000356 this_sequence A109253 A052797 A015683
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KEYWORD
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nonn
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AUTHOR
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Olivier Gerard (olivier.gerard(AT)gmail.com)
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