# A081745 (b-file synthesized from sequence entry) 1 1 2 -2 3 2 4 6 5 3 6 7 7 11 8 8 9 12 10 9 11 13 12 17 13 14 14 18 15 22 16 19 17 23 18 20 19 17 20 21 21 18 22 22 23 26 24 23 25 27 26 31 27 28 28 32 29 29 30 33 31 37 32 34 33 38 34 42 35 39 36 36 37 33 38 30 39 27 40 24 41 21 42 25 43 29 44 26 45 30 46 34 47 31 48 35 49 32 50 36 51 40 52 37 53 41 54 45 55 42 56 46 57 43 58 40 59 44 60 41 61 45 62 42 63 39 64 36 65 40 66 37 67 34 68 31