[1,1,2,6,23,104,530,2958,17734,112657,750726, 5207910,37387881,276467208,2097763554,16282567502, 128951419810,1039752642231,8520041699078, 70840843420234,596860116487097,5089815866230374, 43886435477701502,382269003235832006, 3361054683237796748]