OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (15,-59,45).
FORMULA
G.f.: 1/(1-9*x)-1/(1-5*x)+1/(1-x). E.g.f.: e^(9*x)-e^(5*x)+e^x.
a(n)=14*a(n-1)-45*a(n-2)+32 with a(0)=1, a(1)=5 [From Vincenzo Librandi, Jul 21 2010]
PROG
(PARI) a(n)=9^n-5^n+1 \\ Charles R Greathouse IV, Dec 22 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Mohammad K. Azarian, Jan 30 2009
STATUS
approved