a(n) = A003085(n+1) - A116950(n).A127910a(n) = A003085(n+1) - A116950(n).Terms a(0) =0a(1) =0a(2) =6a(3) =179a(4) =9303a(5) =1530669a(6) =880470628External referencesoeis: A127910