# A109497 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 2 4 2 5 2 6 3 7 3 8 4 9 4 10 4 11 4 12 5 13 5 14 6 15 6 16 6 17 6 18 6 19 6 20 7 21 7 22 7 23 7 24 8 25 8 26 8 27 8 28 8 29 8 30 9 31 9 32 10 33 10 34 10 35 10 36 11 37 11 38 11 39 11 40 11 41 11 42 12 43 12 44 12 45 12 46 12 47 12 48 13 49 13 50 14 51 14 52 14 53 14 54 14 55 14 56 14 57 14 58 14 59 14 60 14 61 14 62 15 63 15 64 15 65 15 66 16 67 16 68 17 69 17 70 17 71 17 72 18 73 18 74 19 75 19 76 19 77 19 78 20 79 20