[0,0,2,6,40,340,3984,57050,982528,19616328, 446355840,11384327438,321701896704,9973046260060, 336499112011776,12274383608508450, 481282311712489472,20185816487436968208, 901732370496365076480,42742176871086712813974, 2142556308913381810012160]