a(n) = floor(Sum_{k = 2..10^n} k/log(k)).

A163521

a(n) = floor(Sum_{k = 2..10^n} k/log(k)).

Terms

    a(0) =30a(1) =1255a(2) =78698a(3) =5762750a(4) =455059956a(5) =37607986470

External references