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169 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) 169 is the first composite Pell number with a prime index. Coincidentally, it is also the last square in the Pell sequence. [Axoy]
Submitted: 2004-08-06 20:45:14; Last Modified: 2008-01-30 11:28:00.
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