A nonlinear recurrence: a(0) = 1, a(1) = 5, a(n) = a(n-1)^2 - 4*a(n-1) + 4 for n>1.
A000324
A nonlinear recurrence: a(0) = 1, a(1) = 5, a(n) = a(n-1)^2 - 4*a(n-1) + 4 for n>1.
Terms
- a(0) =1a(1) =5a(2) =9a(3) =49a(4) =2209a(5) =4870849
External references
- oeis: A000324