# A094137 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 1 5 4 6 5 7 1 8 5 9 6 10 2 11 1 12 7 13 7 14 8 15 2 16 8 17 8 18 9 19 3 20 9 21 1 22 10 23 11 24 10 25 11 26 1 27 11 28 12 29 11 30 4 31 12 32 3 33 2 34 12 35 13 36 14 37 13 38 13 39 13 40 14 41 2 42 1 43 14 44 14 45 14 46 15 47 4 48 16 49 2 50 1 51 15 52 17 53 16 54 5 55 16 56 17 57 16 58 16 59 2 60 1 61 17 62 17 63 17 64 17 65 4 66 18 67 19 68 3 69 2 70 18 71 20 72 19 73 18 74 19 75 20 76 19 77 19 78 20 79 19 80 1 81 7 82 20 83 21