OFFSET
0,2
LINKS
FORMULA
a(n) = Sum_{k=1..n} 2^(n-1)*3^(n-k)*binomial(n,k). - Zerinvary Lajos, Sep 24 2006
a(n) = 8*a(n-1)+6^n. [Vincenzo Librandi, Feb 09 2011]
a(0)=1, a(1)=14, a(n) = 14*a(n-1)-48*a(n-2) [Harvey P. Dale, Dec 08 2011]
MAPLE
MATHEMATICA
CoefficientList[Series[1/((1-6x)(1-8x)), {x, 0, 30}], x] (* or *) LinearRecurrence[{14, -48}, {1, 14}, 30] (* Harvey P. Dale, Dec 08 2011 *)
PROG
(PARI) Vec(1/((1-6*x)*(1-8*x))+O(x^99)) \\ Charles R Greathouse IV, Sep 24 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved