# b016213.txt - Table of n, a(n) for n=0..3000 - Ray Chandler, Apr 05 2017 0 1 1 0 2 -1 3 0 4 1 5 0 6 -1 7 0 8 1 9 0 10 -1 11 0 12 1 13 0 14 -1 15 0 16 1 17 0 18 -1 19 0 20 1 21 0 22 -1 23 0 24 1 25 0 26 -1 27 0 28 1 29 0 30 -1 31 0 32 1 33 0 34 -1 35 0 36 1 37 0 38 0 39 0 40 0 41 0 42 0 43 0 44 0 45 0 46 0 47 0 48 0 49 0 50 0 51 0 52 0 53 0 54 0 55 0 56 0 57 0 58 1 59 0 60 -1 61 0 62 1 63 0 64 -1 65 0 66 1 67 0 68 -1 69 0 70 1 71 0 72 -1 73 0 74 1 75 0 76 -1 77 0 78 1 79 0 80 -1 81 0 82 1 83 0 84 -1 85 0 86 1 87 0 88 -1 89 0 90 1 91 0 92 -1 93 0 94 1 95 0 96 0 97 0 98 0 99 0 100 0 101 0 102 0 103 0 104 0 105 0 106 0 107 0 108 0 109 0 110 0 111 0 112 0 113 0 114 0 115 0 116 0 117 0 118 0 119 0 120 0 121 0 122 0 123 0 124 0 125 0 126 0 127 0 128 0 129 0 130 0 131 0 132 0 133 0 134 0 135 0 136 0 137 0 138 0 139 0 140 0 141 0 142 0 143 0 144 0 145 0 146 0 147 0 148 0 149 0 150 0 151 0 152 0 153 0 154 0 155 0 156 0 157 0 158 0 159 0 160 0 161 0 162 0 163 0 164 0 165 0 166 0 167 0 168 0 169 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