Let M_n be the n X n matrix with M_n(i,j)=1/(i+j+2); then a(n)=1/det(M_n).

A069641

Let M_n be the n X n matrix with M_n(i,j)=1/(i+j+2); then a(n)=1/det(M_n).

Terms

    a(0) =4a(1) =600a(2) =2116800a(3) =149361408000

External references