Problem 45253. Pell numbers

Created by Asif Newaz

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Find the nth pell number

https://en.wikipedia.org/wiki/Pell_number

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Last Solution submitted on Jan 16, 2026

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Christos Saragiotis on 24 Nov 2023

The wikipedia link defines Pell numbers somewhat differently from the required solutions. E.g. P_6 is set to 29 in the required solutions, but according to wikipedia, it is P_5 that is 29; P_6 = 70

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Problem 45253. Pell numbers

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Last 200 Solutions

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Problem 45253. Pell numbers

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Last 200 Solutions

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