a(n) is the numerator of f(n)*conj(f(n)), where f(n) = Product_{k=1..n} (1/k + i), i is the imaginary unit, and conj(z) is the complex conjugate of z.

A370555

a(n) is the numerator of f(n)*conj(f(n)), where f(n) = Product_{k=1..n} (1/k + i), i is the imaginary unit, and conj(z) is the complex conjugate of z.

Terms

    a(0) =2a(1) =5a(2) =25a(3) =425a(4) =221a(5) =8177a(6) =204425a(7) =13287625a(8) =544792625a(9) =2200962205a(10) =134258694505

External references