a(0)=0, a(1)=1, a(n) = a(n-1) + 3^(n-3)*a(n-2).
A165902
a(0)=0, a(1)=1, a(n) = a(n-1) + 3^(n-3)*a(n-2).
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =5a(5) =23a(6) =158a(7) =2021a(8) =40415a(9) =1513724a(10) =89901329a(11) =10021444493
External references
- oeis: A165902