[1,2,4,10,32,130,652,3914,27400,219202,1972820, 19728202,217010224,2604122690,33853594972, 473950329610,7109254944152,113748079106434, 1933717344809380,34806912206568842, 661331331924808000,13226626638496160002, 277759159408419360044]