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Observation: A Prime / Mersenne / (Ramanujan) Triangular Number Convolution
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CRGreathouse
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Nov30-10, 10:34 PM
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Quote by
Raphie
It only works if I adopt some "kludge" such as n!/|n - 1|! to handle the special case of x = 0.
That doesn't work, since (-1)! is undefined.