OFFSET
0,2
FORMULA
a(n) = Sum_{k=0..n} A039599(n,k)*(-1)^k*6^(n-k). - Philippe Deléham, Dec 11 2007
G.f.: 12/(7 + 5*sqrt(1-24x)). - Philippe Deléham, Oct 27 2011
MATHEMATICA
CoefficientList[Series[12/(7+5Sqrt[1-24x]), {x, 0, 20}], x] (* Harvey P. Dale, Sep 26 2017 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Philippe Deléham, Nov 18 2007
EXTENSIONS
More terms from Philippe Deléham, Oct 27 2011
STATUS
approved