# A028781 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 6 5 7 6 10 7 11 8 12 9 14 10 15 11 18 12 19 13 20 14 22 15 23 16 24 17 26 18 27 19 28 20 29 21 30 22 31 23 34 24 35 25 37 26 38 27 39 28 40 29 41 30 42 31 43 32 44 33 45 34 46 35 47 36 48 37 50 38 51 39 54 40 55 41 56 42 57 43 58 44 59 45 61 46 62 47 63 48 65 49 66 50 67