# A249870 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 3 4 2 5 4 6 4 7 4 8 5 9 6 10 8 11 8 12 7 13 8 14 10 15 10 16 10 17 13 18 14 19 11 20 12 21 13 22 15 23 14 24 16 25 16 26 17 27 16 28 19 29 20 30 22 31 19 32 20 33 20 34 24 35 23 36 21 37 25 38 22 39 23 40 28 41 26 42 26 43 28 44 31 45 28 46 32 47 28 48 28 49 30 50 32 51 34 52 35 53 32 54 33 55 38 56 34 57 36 58 38 59 37 60 40 61 37 62 38 63 43 64 40 65 44 66 40 67 46