v(n+1)/v(n), where v=A203748.A203749v(n+1)/v(n), where v=A203748.Terms a(0) =1a(1) =3a(2) =196a(3) =2352a(4) =549081a(5) =14825187a(6) =7573176576a(7) =363512475648External referencesoeis: A203749