[1,1,1,2,4,8,16,32,96,288,864,2592,7776,23328, 69984,279936,1119744,4478976,17915904,71663616, 286654464,1146617856,4586471424,18345885696, 91729428480,458647142400,2293235712000, 11466178560000,57330892800000,286654464000000]