# A087819 (b-file synthesized from sequence entry) 1 0 2 2 3 0 4 3 5 4 6 4 7 5 8 6 9 5 10 6 11 0 12 7 13 6 14 8 15 8 16 0 17 9 18 8 19 9 20 10 21 10 22 8 23 9 24 0 25 11 26 11 27 12 28 10 29 12 30 11 31 12 32 13 33 10 34 13 35 12 36 14 37 14 38 14 39 12 40 15 41 13 42 15 43 14 44 16 45 15 46 16 47 13 48 14 49 16 50 15 51 17 52 17 53 13 54 14 55 18 56 18 57 16 58 18 59 17 60 0 61 19 62 15 63 18 64 19 65 17 66 19 67 20 68 18 69 20 70 15 71 20 72 17 73 0 74 21 75 20 76 21 77 19 78 21