# A047740 (b-file synthesized from sequence entry) 2 1 3 2 4 3 5 3 6 4 7 4 8 5 9 5 10 6 11 6 12 6 13 7 14 7 15 8 16 8 17 8 18 9 19 9 20 9 21 10 22 10 23 10 24 11 25 11 26 11 27 12 28 12 29 12 30 12 31 13 32 13 33 13 34 14 35 14 36 14 37 14 38 15 39 15 40 15 41 16 42 16 43 16 44 16 45 17 46 17 47 17 48 17 49 18 50 18 51 18 52 18 53 19 54 19 55 19 56 19 57 20 58 20 59 20 60 20 61 21 62 21 63 21 64 21 65 22 66 22 67 22 68 22 69 23 70 23