# A006997 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 0 4 0 5 1 6 1 7 2 8 2 9 0 10 0 11 1 12 0 13 0 14 1 15 1 16 2 17 2 18 1 19 2 20 2 21 3 22 3 23 4 24 3 25 3 26 4 27 0 28 0 29 1 30 0 31 0 32 1 33 1 34 2 35 2 36 0 37 0 38 1 39 0 40 0 41 1 42 1 43 2 44 2 45 1 46 2 47 2 48 3 49 3 50 4 51 3 52 3 53 4 54 1 55 2 56 2 57 3 58 3 59 4 60 3 61 3 62 4 63 4 64 5 65 5 66 4 67 5 68 5 69 6 70 6 71 7