a(n) = 6*a(n-1) - a(n-2) - 4 with n > 1, a(0)=1, a(1)=3.
A182189
a(n) = 6*a(n-1) - a(n-2) - 4 with n > 1, a(0)=1, a(1)=3.
Terms
- a(0) =1a(1) =3a(2) =13a(3) =71a(4) =409a(5) =2379a(6) =13861a(7) =80783a(8) =470833a(9) =2744211a(10) =15994429a(11) =93222359a(12) =543339721a(13) =3166815963a(14) =18457556053a(15) =107578520351a(16) =627013566049
External references
- oeis: A182189