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79 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) The smallest (and only known) integer congruent to 7 mod 8 which is not expressible as the sum of a square and twice a prime, i.e., as x^2 + 2*p. [Oakes]
Submitted: 2009-10-06 06:06:36; Last Modified: 2009-10-06 06:33:19.
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