[1,-5,5,0,0,-1,-5,-20,-75,-275,-1001,-3640,-13260, -48450,-177650,-653752,-2414425,-8947575, -33266625,-124062000,-463991880,-1739969550, -6541168950,-24647883000,-93078189750, -352207870014,-1335293573130,-5071418015120, -19293438101000]