a(0) = 0, a(n) = a(n-1)^2 - n.A153059a(0) = 0, a(n) = a(n-1)^2 - n.Terms a(0) =0a(1) =-1a(2) =-1a(3) =-2a(4) =0a(5) =-5a(6) =19a(7) =354a(8) =125308a(9) =15702094855External referencesoeis: A153059