a(n) = 11*a(n-1) - 9*a(n-2) with a(0)=1, a(1)=9.
A147841
a(n) = 11*a(n-1) - 9*a(n-2) with a(0)=1, a(1)=9.
Terms
- a(0) =1a(1) =9a(2) =90a(3) =909a(4) =9189a(5) =92898a(6) =939177a(7) =9494865a(8) =95990922a(9) =970446357a(10) =9810991629a(11) =99186890706
External references
- oeis: A147841