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On bounding the average cost of top-down merge sort

Let $A_n$ be the average number of comparisons to sort $n$ keys by merging them in a top-down fashion (see any algorithm textbook). It can he shown that $$ A_0 = A_1 = 0;\quad A_n = ...
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4answers
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Recurrence T(N)=T(N/LOGN)+1 [closed]

I'm stuck on the following reccurrence : T(N)=T(N/LOGN)+1,IF N>2 T(N)=0,if 0<=N<=2 I need a function T(N) for all N>0 Is there some method for solving ...