[1,1,2,8,32,142,668,3264,16444,84756,444793, 2368800,12769602,69545358,382075868,2114965120, 11784471548,66043042088,372022512608, 2105220502772,11962163400706,68223286792200, 390406746862530,2240962117491470, 12899456450932840]