OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (22,-131,110).
FORMULA
G.f.: 1/(1-11*x)-1/(1-10*x)+1/(1-x). E.g.f.: e^(11*x)-e^(10*x)+e^x.
a(n)=21*a(n-1)-110*a(n-2)+90 with a(0)=1, a(1)=2 [From Vincenzo Librandi, Jul 21 2010]
CROSSREFS
KEYWORD
nonn
AUTHOR
Mohammad K. Azarian, Feb 01 2009
STATUS
approved