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Old 2009-08-30, 19:59   #3
Batalov
 
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Mar 2008
Phi(4,2^7658614+1)/2

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B_m=\sum_{k=0}^m\sum_{v=0}^k(-1)^v {k \choose v} \frac{v^m}{k+1}

Note: \binom doesn't work in your renderer!
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