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A164913
Expansion of x/(1-9*x-11*x^2+10*x^3).
3
1, 9, 92, 917, 9175, 91742, 917433, 9174309, 91743124, 917431185, 9174311939, 91743119246, 917431192693, 9174311926553, 91743119266140, 917431192660413, 9174311926605727, 91743119266054686, 917431192660551041, 9174311926605503645
OFFSET
1,2
FORMULA
a(n) = +9*a(n-1) +11*a(n-2) -10*a(n-3). [Joerg Arndt, May 14 2011]
a(n)=10*a(n-1)+F(n) for n=odd and a(n)=10*a(n-1)-F(n) for n=even, with a(0)= 0 and F(n) is the n-th Fibonacci number
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Mark Dols, Aug 31 2009
STATUS
approved