hengzi's submissions for 1194 对称素数

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hengzi
on Dec. 12, 2008, 8:49 a.m.
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hengzi
on Dec. 9, 2008, 9:24 p.m.
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152.00 KB
hengzi
on Dec. 9, 2008, 9:19 p.m.
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152.00 KB