Sum of all matrix elements M(i,j) = n!*(i/j), (i,j = 1..n).

A098107

Sum of all matrix elements M(i,j) = n!*(i/j), (i,j = 1..n).

Terms

    a(0) =1a(1) =9a(2) =66a(3) =500a(4) =4110a(5) =37044a(6) =365904a(7) =3945024a(8) =46195920a(9) =584575200a(10) =7955893440a(11) =115942544640

External references