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18 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) The smallest number C of the form 2a^2 such that C+1 and C-1 are both prime. [Hartley]
Submitted: 2003-02-17 22:13:57; Last Modified: 2008-01-30 11:28:00.
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