# A081688 (b-file synthesized from sequence entry) 0 0 1 1 2 3 3 4 4 5 5 7 6 8 7 9 8 10 9 12 10 13 11 14 12 15 13 16 14 18 15 19 16 20 17 21 18 22 19 23 20 24 21 26 22 27 23 28 24 29 25 30 26 31 27 32 28 33 29 35 30 36 31 37 32 38 33 39 34 40 35 41 36 42 37 43 38 45 39 46 40 47 41 48 42 49 43 50 44 51 45 52 46 53 47 54 48 56 49 57 50 58 51 59 52 60 53 61 54 62 55 63 56 64 57 65 58 66 59 67 60 69 61 70 62 71 63 72 64 73 65 74 66 75 67 76 68 77