# A131413 (b-file synthesized from sequence entry) 0 1 1 4 2 3 3 7 4 6 5 5 6 10 7 9 8 8 9 7 10 13 11 12 12 11 13 10 14 9 15 16 16 15 17 14 18 13 19 12 20 11 21 19 22 18 23 17 24 16 25 15 26 14 27 13 28 22 29 21 30 20 31 19 32 18 33 17 34 16 35 15 36 25 37 24 38 23 39 22 40 21 41 20 42 19 43 18 44 17 45 28 46 27 47 26 48 25 49 24 50 23 51 22 52 21 53 20 54 19 55 31 56 30 57 29 58 28 59 27 60 26 61 25 62 24 63 23 64 22 65 21 66 34 67 33 68 32 69 31 70 30 71 29 72 28 73 27 74 26 75 25 76 24 77 23