[0,0,1,8,39,138,414,1104,2715,6282,13875,29540, 61060,123192,243589,473540,907335,1716974,3214066, 5959704,10958687,20001526,36264579,65359752, 117165096,209008464,371190217,656540768, 1156924167,2031676818,3556517478]