# A175970 (b-file synthesized from sequence entry) 1 2 2 3 3 4 4 6 5 7 6 8 7 9 8 10 9 12 10 13 11 14 12 15 13 16 14 17 15 18 16 20 17 21 18 22 19 23 20 24 21 25 22 26 23 27 24 29 25 30 26 31 27 32 28 33 29 34 30 35 31 36 32 37 33 39 34 40 35 41 36 42 37 43 38 44 39 45 40 46 41 47 42 48 43 49 44 51 45 52 46 53 47 54 48 55 49 56 50 57 51 58 52 59 53 60 54 61 55 62 56 63 57 65 58 66 59 67 60 68 61 69 62 70