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What are the next three numbers in this series: 1, 5, 19, 49, . . .


For a bonus, what is the equation?

 

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Best Answer calculus-geometry says

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4 years ago
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CWanamaker says

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4 years ago
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    Sid Kemp (SidKemp) 4 years ago

    This works. A simpler version of the equation is n^3 - n^2 + 1, and starting at n=1 instead of n=0, as you did. Interestingly, the two equations, though not entirely mathematically equivalent, produce the same series.