[1,1,4,20,114,703,4565,30752,212921,1505916, 10833164,79018804,583062388,4344431508, 32641910199,247033970128,1881402836376, 14408753414558,110897147057354,857307054338476, 6653979156676983,51831065993122915, 405060413133136902,3175019470333290488]