OFFSET
0,3
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (9,-5).
FORMULA
G.f.: x/(1 - 9*x + 5*x^2). - Philippe Deléham, Oct 12 2011
E.g.f.: (2/sqrt(61))*exp(9*x/2)*sinh(sqrt(61)*x/2). - G. C. Greubel, Aug 26 2022
MATHEMATICA
LinearRecurrence[{9, -5}, {0, 1}, 50]
PROG
(Magma) [Round(5^((n-1)/2)*Evaluate(ChebyshevU(n), 9/(2*Sqrt(5)))): n in [0..30]]; // G. C. Greubel, Aug 26 2022
(SageMath)
A190982 = BinaryRecurrenceSequence(9, -5, 0, 1)
[A190982(n) for n in (0..30)] # G. C. Greubel, Aug 26 2022
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, May 24 2011
STATUS
approved