1,2

Lim_{n-> Inf.} a(n)/a(n-1) = 649 + 180*Sqrt(13).

Tanya Khovanova, Recursive Sequences

a(n)=1298*a(n-1)-a(n-2), n>1. - Michael Somos, Oct 30 2002

a(n) = [(649+180*Sqrt(13))^n - (649-180*Sqrt(13))^n] / (2*Sqrt(13))

a(n) = 1297*(a(n-1)+a(n-2))-a(n-3). a(n) = 1299*(a(n-1)-a(n-2))+a(n-3). - Mohamed Bouhamida (bhmd95(AT)yahoo.fr), Sep 20 2006

G.f.: 180x^2/(1-1298x+x^2). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 18 2008]

Sequence in context: A091033 A146530 A057867 this_sequence A074811 A036200 A157747

Adjacent sequences: A075868 A075869 A075870 this_sequence A075872 A075873 A075874

nonn

Gregory V. Richardson (omomom(AT)hotmail.com), Oct 16 2002