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( (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
KEYWORD
nonn
AUTHOR
STATUS
approved