[0,0,1,0,0,1,3,0,0,1,2,3,5,0,0,0,1,2,3,4,5,7,9,0, 0,0,1,1,2,3,4,6,7,9,11,0,0,0,0,1,2,2,3,4,5,7,8,9, 11,13,15,0,0,0,0,1,1,2,3,4,5,6,7,8,10,11,13,15,17, 0,0,0,0,1,1,2,2,3,4,5,6,7,8,9,11,12,14,15,17,19, 21]