# A115980 (b-file synthesized from sequence entry) 0 1 1 2 2 2 3 3 4 2 5 4 6 4 7 3 8 2 9 4 10 6 11 5 12 4 13 6 14 2 15 4 16 6 17 8 18 6 19 3 20 4 21 4 22 8 23 9 24 2 25 4 26 6 27 8 28 10 29 7 30 4 31 12 32 8 33 4 34 8 35 12 36 12 37 2 38 4 39 6 40 8 41 10 42 12 43 8 44 3 45 6 46 5 47 4 48 14 49 21 50 12 51 4 52 8 53 12 54 16 55 15 56 2 57 4 58 6 59 8 60 10 61 12 62 14 63 9