0,2

Tanya Khovanova, Recursive Sequences

a(n)=7*a(n-1)-a(n-2). - Floor van Lamoen (fvlamoen(AT)hotmail.com), Dec 10 2001

O.g.f.: (1-2*x)/(1-7*x+x^2). a(n) = A004187(n+1)-2*A004187(n-1). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 17 2008

Adjacent sequences: A033886 A033887 A033888 this_sequence A033890 A033891 A033892

Sequence in context: A024063 A015545 A102436 this_sequence A120469 A066559 A073279

nonn

njas