| 数据
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1, 3, 7, 21, 89, 393, 2225, 18609, 101057, 816993, 13457825, 51228609, 810315137, 17176207233, 131372857985, 1305079808769, 26689011214337, 589160232591873, 8710689840914945, 54912598925708289, 1233406496755480577, 66645549104613373953, 1133684888589441378305, 7520981752666086084609, 200384978441063958102017
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