Denominators of partial sums of series for 3*arctanh(1/3) = (3/2)*log(2).

A096950

Denominators of partial sums of series for 3*arctanh(1/3) = (3/2)*log(2).

Terms

    a(0) =1a(1) =27a(2) =405a(3) =25515a(4) =2066715a(5) =7577955a(6) =2659862205a(7) =71816279535

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