[1,1,4,19,104,615,3829,24728,164122,1112641, 7671781,53634389,379305155,2708686547,19505022538, 141470864166,1032587621470,7578835132264, 55901583657799,414157062713599,3080581445049863, 22996511364853472,172230640045929990]