# A019509 (b-file synthesized from sequence entry) 0 0 1 1 2 0 3 1 4 0 5 1 6 2 7 3 8 2 9 0 10 1 11 0 12 1 13 0 14 1 15 2 16 3 17 2 18 0 19 1 20 0 21 1 22 0 23 1 24 2 25 3 26 2 27 0 28 1 29 0 30 1 31 0 32 1 33 2 34 3 35 2 36 3 37 2 38 3 39 4 40 5 41 4 42 5 43 4 44 5 45 3 46 2 47 3 48 4 49 5 50 4 51 0 52 1 53 0 54 1 55 2 56 3 57 2 58 3 59 2 60 0 61 1 62 0 63 1 64 2 65 3 66 2 67 3 68 2 69 0 70 1 71 0 72 1 73 4 74 5 75 2 76 3 77 2 78 3 79 5 80 4 81 5 82 4 83 5 84 6 85 0 86 1 87 3 88 5 89 4 90 5 91 4 92 5 93 6 94 0 95 1 96 3 97 6 98 7