[7,13,55,349,2407,16813,117655,823549,5764807, 40353613,282475255,1977326749,13841287207, 96889010413,678223072855,4747561509949, 33232930569607,232630513987213,1628413597910455, 11398895185373149,79792266297612007, 558545864083284013]