northwolves 发表于 2024-2-17 19:03:18

$a(1)-a(16):\\{3, 12, 45, 171, 619, 2560, 10774, 46708, 202635, 904603, 4073767, 18604618, 85445767, 395944114, 1837763447,8600149593\}$
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查看完整版本: 全部由1,3,5,7,9组成的素数由多少个