a(n) = 6*a(n-1) - a(n-2) - 2 with n>1, a(0)=0, a(1)=1.
A182435
a(n) = 6*a(n-1) - a(n-2) - 2 with n>1, a(0)=0, a(1)=1.
Terms
- a(0) =0a(1) =1a(2) =4a(3) =21a(4) =120a(5) =697a(6) =4060a(7) =23661a(8) =137904a(9) =803761a(10) =4684660a(11) =27304197a(12) =159140520a(13) =927538921a(14) =5406093004a(15) =31509019101a(16) =183648021600
External references
- oeis: A182435