a(n) = 10*a(n-1) - 2*a(n-2), a(0)=0, a(1)=1.
A190869
a(n) = 10*a(n-1) - 2*a(n-2), a(0)=0, a(1)=1.
Terms
- a(0) =0a(1) =1a(2) =10a(3) =98a(4) =960a(5) =9404a(6) =92120a(7) =902392a(8) =8839680a(9) =86592016a(10) =848240800a(11) =8309223968a(12) =81395758080a(13) =797339132864
External references
- oeis: A190869