Pell numbers: Difference between revisions

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m (sigh. yet more typos)
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2 2 6 14 34 82 198 478 1154 2786 6726</lang>
2 2 6 14 34 82 198 478 1154 2786 6726</lang>


QN (P<sub>2n</sub> / P<sub>n</sub>) doesn't get the first element of the pell lucas sequence right. We could fix this by changing the definition:
QN (which is defined as P<sub>2n</sub>/P<sub>n</sub>) doesn't get the first element of the pell lucas sequence right. We could fix this by changing the definition:


<lang J>QN=: 2 >. +: %&Pn ]
<lang J>QN=: 2 >. +: %&Pn ]