a(n) = numerator of Sum_{k=1..n} 1/k^(n+1-k).

A130425

a(n) = numerator of Sum_{k=1..n} 1/k^(n+1-k).

Terms

    a(0) =1a(1) =3a(2) =19a(3) =107a(4) =1471a(5) =164059a(6) =65442581a(7) =26560388929

External references