Let M_n be the n X n matrix with M_n(i,j)=i^3/(i+j); then a(n)=1/det(M_n).

A069649

Let M_n be the n X n matrix with M_n(i,j)=i^3/(i+j); then a(n)=1/det(M_n).

Terms

    a(0) =2a(1) =9a(2) =200a(3) =30625a(4) =38896200a(5) =461231139600

External references