[1,2,2,3,3,3,5,5,5,5,7,7,7,7,7,7,11,11,11,11,11, 11,13,13,13,13,13,13,17,17,17,17,17,17,19,19,19, 19,19,19,23,23,23,23,23,23,23,23,23,23,29,29,29, 29,29,29,29,29,31,31,31,31,31,31,31,31,37,37,37, 37,37,37,37,37]