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Challenges The Pell Numbers

Haskell, 21 bytes f=0:scanl((+).(*2))1f Try it online!

posted 4y ago by Hakerh400‭

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#1: Initial revision by

Hakerh400‭ · 2021-02-17T05:01:19Z (almost 4 years ago)

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# [Haskell], 21 bytes

<!-- language-all: lang-hs -->

    f=0:scanl((+).(*2))1f

[Try it online!][TIO-kl8ykanx]

[Haskell]: https://www.haskell.org/
[TIO-kl8ykanx]: https://tio.run/##y0gszk7Nyfn/P83WwKo4OTEvR0NDW1NPQ8tIU9Mw7X9uYmaegq1CbmKBr0JBUWZeiYKKQklidqqCoYGBQtp/AA "Haskell – Try It Online"

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