# A131728 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 0 4 1 5 3 6 2 7 0 8 2 9 5 10 3 11 0 12 3 13 7 14 4 15 0 16 4 17 9 18 5 19 0 20 5 21 11 22 6 23 0 24 6 25 13 26 7 27 0 28 7 29 15 30 8 31 0 32 8 33 17 34 9 35 0 36 9 37 19 38 10 39 0 40 10 41 21 42 11 43 0 44 11 45 23 46 12 47 0 48 12 49 25 50 13 51 0 52 13 53 27 54 14 55 0 56 14 57 29 58 15 59 0 60 15 61 31 62 16 63 0 64 16 65 33 66 17 67 0 68 17 69 35 70 18 71 0 72 18 73 37 74 19 75 0 76 19 77 39 78 20 79 0 80 20 81 41 82 21 83 0 84 21