[1,1,2,12,106,1330,21188,412496,9471180,250752012, 7519114872,251898595344,9324409750104, 377947150828728,16648683024776112, 791945577071452608,40457530872588060816, 2209174906291706917008,128405210614917271843872, 7915238091104410779024576]