a(n) = a(n-1)^2 - n^(n+1).A193637a(n) = a(n-1)^2 - n^(n+1).Terms a(0) =0a(1) =-1a(2) =-7a(3) =-32a(4) =0a(5) =-15625a(6) =243860689External referencesoeis: A193637