a(n) = - a(n-1) + a(n-3) + (a(n-1) - a(n-2))^2 + (a(n-2) - a(n-3))^2.
A122592
a(n) = - a(n-1) + a(n-3) + (a(n-1) - a(n-2))^2 + (a(n-2) - a(n-3))^2.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =0a(4) =2a(5) =4a(6) =4a(7) =2a(8) =6a(9) =18a(10) =144a(11) =15882a(12) =247684656
External references
- oeis: A122592