OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (14,-49,36).
FORMULA
G.f.: 1/(1-9*x)+1/(1-4*x)-1/(1-x). E.g.f.: e^(9*x)+e^(4*x)-e^x.
a(n)=13*a(n-1)-36*a(n-2)-24 with a(0)=1, a(1)=12 [From Vincenzo Librandi, Jul 21 2010]
a(0)=1, a(1)=12, a(2)=96, a(n)=14*a(n-1)-49*a(n-2)+36*a(n-3). - Harvey P. Dale, Feb 02 2015
MATHEMATICA
LinearRecurrence[{14, -49, 36}, {1, 12, 96}, 30] (* Harvey P. Dale, Feb 02 2015 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Mohammad K. Azarian, Jan 27 2009
STATUS
approved