Talk:Pell number

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[edit] Nonsense formula

I moved the following claim to the talk page:

The closed form is:
\pi = (1+\sqrt{2})^n - (1-\sqrt{2})^n\over\sqrt{8}

This formula (if correct), needs to mention Pn somewhere. As it stands, it doesn't seem to make any sense. Haseldon


[edit] Split this page/References

It may be that this page could be split into two, or just explained differently.

There is more detail on this and I will do my best although my mathematics knowledge is not advanced at the moment. I think there is a closed form. Also there are some applications (see the references).

I can return to this in Spring 2005. User:Fountainofignorance

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