# A025637 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 0 5 3 6 1 7 4 8 2 9 5 10 0 11 3 12 6 13 1 14 4 15 7 16 2 17 5 18 8 19 0 20 3 21 6 22 9 23 1 24 4 25 7 26 10 27 2 28 5 29 8 30 11 31 0 32 3 33 6 34 9 35 12 36 1 37 4 38 7 39 10 40 13 41 2 42 5 43 8 44 11 45 14 46 0 47 3 48 6 49 9 50 12 51 15 52 1 53 4 54 7 55 10 56 13 57 16 58 2 59 5 60 8 61 11 62 14 63 0 64 17 65 3 66 6 67 9 68 12 69 15 70 1 71 18 72 4 73 7 74 10 75 13 76 16 77 2 78 19 79 5 80 8 81 11 82 14 83 0 84 17 85 3 86 20 87 6 88 9 89 12 90 15 91 1