[0,0,2,6,26,49,154,258,666,2404,3588,11096,22477, 31620,61247,157725,387527,518155,1208470,2086019, 2726745,5975695,9935799,20882243,54355088, 86547260,108874661,171286370,214236058,333331046, 1486031972,2246585402,4132451733]