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| I can't seem to find the Omega key on my keyboard. |
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| Oy! |
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| Part Arabic? Part "Ron Silver"? |
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| This Captcha was brought to you by the Biography Channel. |
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| Uh-oh. I think the Captcha folks fell off the wagon again. |
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| To enter this Captcha, simply calculate the Erdős Conjecture on Arithmetic Progressions. |






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