OFFSET
0,2
LINKS
F. v. Lamoen, Wave sequences
Index entries for linear recurrences with constant coefficients, signature (15,-35,28,-9,1).
FORMULA
Conjecture: GF = -(x-1)*(x^3-6*x^2+9*x-1) / ( -1+15*x-35*x^2+28*x^3-9*x^4+x^5 ). - Wouter Meeussen, Mar 19 2005
MAPLE
a:= n-> (Matrix([[5, 1, 1, 2, 5]]). Matrix(5, (i, j)-> if i=j-1 then 1 elif j=1 then [15, -35, 28, -9, 1][i] else 0 fi)^n)[1, 2]: seq(a(n), n=0..20); # Alois P. Heinz, Jul 16 2009
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved