a(n) = -a(n-1) + a(n-3) - (a(n-1) - a(n-2))^2 + (a(n-2) - a(n-3))^2.
A122593
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) =0a(5) =2a(6) =-6a(7) =-54a(8) =-2184a(9) =-4532418
External references
- oeis: A122593