Sum of all matrix elements M(i,j) = (i^2)/(i+j).

A098606

Sum of all matrix elements M(i,j) = (i^2)/(i+j).

Terms

    a(0) =0a(1) =1a(2) =76a(3) =7032a(4) =889920a(5) =151876800a(6) =33953713920

External references