[0,0,1,2,5,10,23,46,102,204,443,886,1898,3796, 8054,16108,33932,67864,142163,284326,592962, 1185924,2464226,4928452,10209620,20419240, 42190558,84381116,173962532,347925064,715908428, 1431816856,2941192472,5882384944,12065310083, 24130620166]