[1,0,0,1,1,0,1,2,1,1,3,2,2,3,4,3,4,5,5,5,7,7,7,8, 10,9,10,12,13,12,15,16,16,17,20,20,21,23,25,25,28, 29,31,32,35,36,38,40,43,44,47,49,52,53,57,59,62, 64,68,70,74,76,80]