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A027392
Number of labeled servers of dimension 5.
1
1, 5, 35, 295, 2855, 30899, 367345, 4736765, 65621105, 969466645, 15182851451, 250823689055, 4352985062935, 79083190500995, 1499493878690105, 29595296385870949, 606610493947464545, 12885821188298643365
OFFSET
0,2
LINKS
R. Donaghey, Binomial self-inverse sequences and tangent coefficients, J. Combin. Theory, Series A, 21 (1976), 155-163.
FORMULA
E.g.f.: exp( (x*(300 + 300*x + 200*x^2 + 75*x^3 + 12*x^4))/60 ).
MATHEMATICA
Table[n!*SeriesCoefficient[E^((x * (300 + 300 * x + 200 * x^2 + 75 * x^3 + 12 * x^4))/60), {x, 0, n}], {n, 0, 20}] (* Vincenzo Librandi, Dec 31 2012 *)
CROSSREFS
Sequence in context: A051406 A000356 A370844 * A291813 A346765 A177354
KEYWORD
nonn
STATUS
approved